Blackpenredpen....!

About 20 results out of 73226 (0.23 seconds)
    

Channel Title : blackpenredpen

Views : 4917

Likes : 318

DisLikes : 2

Published Date : 2019-04-18T17:00:07.000Z

Check out this video for 100 integrals so you won't forget your integrals again! https://youtu.be/dgm4-3-Iv3s Which one did you like more? Area of a cycloid, 1:00 Arc Length of a Cycloid, 8:45 Parametric Equations Overview: https://www.youtube.com/playlist?list=PLj7p5OoL6vGyIPHJnnOHKtNZAY4MFuwj2 For more resource, please visit: https://www.blackpenredpen.com/calc2 Click to subscribe for more math contents: https://www.youtube.com/blackpenredpen?sub_confirmation=1 Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen I create my site www.blackpenred.com on Wix, give it a try: http://wixstats.com/?a=25754&c=124&s1= Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 13959

Likes : 885

DisLikes : 5

Published Date : 2019-04-16T16:30:00.000Z

Sum of tan^-1(1/(2n^2)), the answer is very nice. A similar-styled integral: https://youtu.be/t-_Hk2aBRBc For more resource, please visit: https://www.blackpenredpen.com/calc2 Click to subscribe for more math contents: https://www.youtube.com/blackpenredpen?sub_confirmation=1 Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen I create my site www.blackpenred.com on Wix, give it a try: http://wixstats.com/?a=25754&c=124&s1= Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 931362

Likes : 43550

DisLikes : 749

Published Date : 2019-03-03T17:00:19.000Z

Dear Lars, I wish you the best. Get well soon!! 100 integrals in one take, aka ultra integral marathon! Great for calculus 1 and calculus 2 students. DI Method: https://youtu.be/2I-_SV8cwsw If you like my videos, you can click here to subscribe! https://www.youtube.com/blackpenredpen?sub_confirmation=1 The File: https://docs.wixstatic.com/ugd/287ba5_9809e0bcf44548b79263bf7e0c70ad17.pdf Yes, in this video, I did 100 calc1 and calc 2 integrals in one take (uncut, with a total of a bit under 6 hours)! These integrals can help you become an integration master in your classes! Special thanks to my former student, Hsiao-Yu Chiang, for many of your suggestions! Here are some of my favorite integrals: Q3 Integral of (x^2+1)/(x^4-x^2+1), 8:00 Q8 Integral of e^x*sqrt(e^x-1)/(e^x+3), 25:51 Q26 integral of cos(sqrt x) 1:29:48 Q40 Integral of sqrt(x^2-1) from 1 to 2, 2:19:38 Q54, Integral of 1/(x^4 + x), 3:00:42 *no need for partial fraction* Q67, Integral of 2^ln(x), 3:58:06 Q97, Integral of 1/(1 + e^x), 5:27:47 Q100, Integral of 1/(1 + sin(x) from 0 to π/2, 5:39:16 100 integral in one take, took me about 1 week to prepare, 30 minutes to set up, 6 hours to record, 12 hours to upload but it's all worth it! iPhone view: https://youtu.be/bB_xH-gA9vo 10-minute version: https://youtu.be/PzMwX_A6XhY Techniques Required: Know Your Derivatives, Reversed Power Rule, U sub, Trig Sub, Partial Fractions, Integration by Parts (DI Method), Completing the Square, Hyperbolic Trig Functions, Even & Odd Properties of Integrals, Geometric Interpretation of Integrals, Endurance, Will Power, and Be Good with Integrals!!! Thanks to everyone who pointed out the mistakes! Here are the time stampes @ 33:39 should be a du, NOT dx @ 1:52:05 -2 times 2 equals -4, NOT -1 @ 3:32:30 2*(1/2)*(1/2) = 1/2, NOT 1 @ 5:16:56 MUST use absolute value since sqrt(x+4)-2 could be neg **Special thanks for all my awesome Patrons!** https://www.patreon.com/blackpenredpen #100integrals #MathForFun #SubscribeToPewDiePie #WorldRecord #BattlingCancer Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen Be sure to also check out: Oon Han: Walli's Integral https://youtu.be/tVz7rBYt4es Fematika: Integral of x^x from 0 to 1, https://youtu.be/9wQfSBmUz3g Dr. Peyam: Vardi's Integral https://youtu.be/W2QFhyC_BQ8 Max, Everybody's First Integral, https://youtu.be/W-jtly4izS8 blackpenredpen, Math For fun March 1st, 2019
    

Channel Title : blackpenredpen

Views : 274512

Likes : 8386

DisLikes : 312

Published Date : 2018-10-14T17:41:23.000Z

Infinitely nested Michael Jordans, https://youtu.be/zuUXb9wvBB4 Tejas's video: https://youtu.be/7YCHqzQcRHU Solving equation with infinitely nested square roots, infinitely alternating square roots, speed run math, Please subscribe for more math content! ☀️support bprp on Patreon: https://www.patreon.com/blackpenredpen Guess what my first job was! https://youtu.be/RSCzXXeqGbU , My simple setup: 😃 https://youtu.be/IKk7k-CMttE , Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for supporting! You're awesome and I know it! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 134059

Likes : 3929

DisLikes : 104

Published Date : 2019-04-07T17:03:56.000Z

If a+b+c=1, a^2+b^2+c^2=2 and a^3+b^3+c^3=3, then what is the value of a^5+b^5+c^5? Isn't it just 5?? Of course.... you will have to watch the video to see how to solve this extreme algebra problem! By the way, this is a very common type of algebra problems in math competition exams. Sometimes, it's better if you remember these identities such as (a+b+c)^3 = blah blah blah for taking the real competition exam. Note: I mentioned about the trinomial theorem in this video and will do more about it later on! Click to subscribe for more math contents: https://www.youtube.com/blackpenredpen?sub_confirmation=1 #Patience #PascalsPyramid #polylongmial #theABCproblem For more resource, please visit: https://www.blackpenredpen.com Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen I create my site www.blackpenred.com on Wix, give it a try: http://wixstats.com/?a=25754&c=124&s1= Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 185600

Likes : 6126

DisLikes : 149

Published Date : 2019-04-05T08:20:46.000Z

Sign up for an free account at https://brilliant.org/blackpenredpen/ and try their daily problems now. You can also get a 20% off discount for their annual premium subscription so you can get access to ALL of their awesome designed courses! For more resource, please visit: https://www.blackpenredpen.com/calc2 Click to subscribe for more math contents: https://www.youtube.com/blackpenredpen?sub_confirmation=1 Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen I create my site www.blackpenred.com on Wix, give it a try: http://wixstats.com/?a=25754&c=124&s1= Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 131330

Likes : 3759

DisLikes : 46

Published Date : 2017-09-21T07:38:52.000Z

watch i^i here: https://www.youtube.com/watch?v=ABk1HK2AR2E&t=1s , i-th root of i, i^(1/i), complex number, blackpenredpen, math for fun,
    

Channel Title : blackpenredpen

Views : 52047

Likes : 1498

DisLikes : 22

Published Date : 2018-09-21T02:45:12.000Z

integral of sqrt(e^x) vs. integral of sqrt(e^x-1) Integral Battles file: https://blackpenredpen.com/calc1 #IntegralBattles You can help me grow my channel by supporting me on Patreon: https://www.patreon.com/blackpenredpen Guess what my first job was! https://youtu.be/RSCzXXeqGbU , My message for college freshmen (or just for everyone who has self doubt): https://youtu.be/ce2JRJnA_I0 **Check out my social medias** 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for watching, be sure to subscribe for more new math contents! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 115154

Likes : 2930

DisLikes : 95

Published Date : 2018-12-28T01:45:28.000Z

No partial fractions in the usual sense, but we still managed to break down 1/(x^6+1) and got to the forms that we needed in order to integrate, enjoy!! Integral of 1/(x^6+1) via partial fraction & Gaussian Elimiation, https://youtu.be/j4lNnsTR0Ak Integral of (x^2+1)/(x^4+1), https://youtu.be/uNca8lvc6po Integral of 1/(x^4+1) from 0 to inf, https://youtu.be/eRS4TbBBbXo Please subscribe for more math content! Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 52621

Likes : 1902

DisLikes : 29

Published Date : 2019-03-27T16:50:52.000Z

Check out the happiest mathematician for 111 true/false linear algebra problems https://youtu.be/Cll03FUxjuk We will see if log(neg) is real or not ln(-x) https://youtu.be/IX_23EWpF5U #complexlogarithm #MathForFun #dearsubscriber For more resource, please visit: https://www.blackpenredpen.com/calc2 Click to subscribe for more math contents: https://www.youtube.com/blackpenredpen?sub_confirmation=1 Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen I create my site www.blackpenred.com on Wix, give it a try: http://wixstats.com/?a=25754&c=124&s1= Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 81373

Likes : 3237

DisLikes : 89

Published Date : 2018-12-31T08:36:52.000Z

Yes -1/12, Ramanujan Summation: https://youtu.be/U_g_OZLt4OU Sum of all n^2, https://youtu.be/UsSC5v0o2Aw How about let's get it to be -1/9: https://www.youtube.com/watch?v=Piamci9xnEM Be sure to subscribe for more math content! Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 337878

Likes : 8360

DisLikes : 263

Published Date : 2018-10-03T15:56:18.000Z

Check out "the debate", integral of 1/x from -1 to 1, https://youtu.be/dHwrzLDmdT8 Improper integral playlist: https://www.youtube.com/playlist?list=PLj7p5OoL6vGyIT5IAyMu-FwE4eXPHyq2L Check out integral of cbrt(tan(x)), https://youtu.be/NO693oP7nHQ Type 2 improper integral, integral of 1/x^2 from -2 to 1, vertical asymptote on the interval of integration, improper integral that diverges, innocent looking integral, improper integral, calculus 2 improper integral integral of cbrt(tan(x)), the one on my t shirt, https://youtu.be/NO693oP7nHQ ⭐️Please subscribe for more math content! ☀️support bprp on Patreon: https://www.patreon.com/blackpenredpen Guess what my first job was! https://youtu.be/RSCzXXeqGbU , My simple setup: 😃 https://youtu.be/IKk7k-CMttE , Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for supporting! You're awesome and I know it! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 7476

Likes : 353

DisLikes : 3

Published Date : 2019-04-15T16:32:37.000Z

centroid formulas, calculus 2 centroid of a region bounded by curves, integral formulas for centroids, center of mass, For more resource, please visit: https://www.blackpenredpen.com/calc2 Click to subscribe for more math contents: https://www.youtube.com/blackpenredpen?sub_confirmation=1 Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen I create my site www.blackpenred.com on Wix, give it a try: http://wixstats.com/?a=25754&c=124&s1= Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 40899

Likes : 755

DisLikes : 39

Published Date : 2017-04-29T03:24:58.000Z

1*1 math puzzle? lol convolution of 1 and 1, convolution and laplace transform, convolution 1 and 1, convolution examples, blackpenredpen
    

Channel Title : blackpenredpen

Views : 16733

Likes : 615

DisLikes : 4

Published Date : 2019-04-10T19:29:54.000Z

Can we really do "-2 choose 5"? Here we will see how to extend the Binomial Theorem to any real number exponent, namely we will be expanding (a+b)^r. I will also tell you why 1/(1-x) is the best friend! Part 1: https://youtu.be/cvhyJT9c0ac part 2: https://youtu.be/qkvmEe9SYSg part 3: https://youtu.be/xrE3rgkBTPA Bonus part: coming soon For more resource, please visit: https://www.blackpenredpen.com/calc2 Click to subscribe for more math contents: https://www.youtube.com/blackpenredpen?sub_confirmation=1 Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen I create my site www.blackpenred.com on Wix, give it a try: http://wixstats.com/?a=25754&c=124&s1= Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 13753

Likes : 592

DisLikes : 8

Published Date : 2018-12-07T22:12:01.000Z

Start learning today, click https://brilliant.org/blackpenredpen/ to check out Brillant.org. First 200 people to sign up will get 20% off your annual premium subscription! Taylor series for cos(x), https://youtu.be/zgwUMJOXwDM Best Friend Tee (with all the series friends): https://teespring.com/bestfriend1over1-x Integral of cos(x^2) from 0 to 1, Simpson's rule for approximating integral, approximating integrals by using Taylor series, Please subscribe for more math content! ☀️support bprp on Patreon: https://www.patreon.com/blackpenredpen Guess what my first job was! https://youtu.be/RSCzXXeqGbU , My simple setup: 😃 https://youtu.be/IKk7k-CMttE , Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for supporting! You're awesome and I know it! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 17376

Likes : 697

DisLikes : 7

Published Date : 2019-04-12T16:14:22.000Z

Sign up for a free account at https://brilliant.org/blackpenredpen/ and try their daily problems now. You can also get a 20% off discount for their annual premium subscription so you can get access to ALL of their awesome designed courses! Binomial and trinomial theorem: Part 1: https://youtu.be/cvhyJT9c0ac part 2 (ft. best friend): https://youtu.be/qkvmEe9SYSg part 3: https://youtu.be/xrE3rgkBTPA Bonus part: coming soon #combinatorics #discretemath #mathforfun For more resource, please visit: https://www.blackpenredpen.com/calc2 Click to subscribe for more math contents: https://www.youtube.com/blackpenredpen?sub_confirmation=1 Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen I create my site www.blackpenred.com on Wix, give it a try: http://wixstats.com/?a=25754&c=124&s1= Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 240148

Likes : 6868

DisLikes : 125

Published Date : 2017-10-06T07:51:02.000Z

Integral of x^i, i^i , https://www.youtube.com/watch?v=ABk1HK2AR2E sqrt(i), https://www.youtube.com/watch?v=Z49hXoN4KWg&t=2s integral of sin(ln(x)) with integration by parts, https://www.youtube.com/watch?v=o2x4FX5ZYUw Check out my site & social media www.blackpenredpen.com https://twitter.com/blackpenredpen https://www.instagram.com/blackpenredpen/ Thank you for watching! Please subscribe and share my videos to help my channel grow! blackpenredpen | 曹老師 tags, complex exponent, complexifying the integral, integral of x^i, integral of sin(ln(x)), integral of cos(ln(x)), euler's formula, integral for fun, blackpenredpen integral, bprp
    

Channel Title : blackpenredpen

Views : 80036

Likes : 1679

DisLikes : 33

Published Date : 2018-09-26T23:07:23.000Z

Please subscribe for more math content! In this video, I show you the graph of the Error Function, namely y=erf(x). This is a non-elementary function (or you can call it an advance function). Check out how to sketch e^(-x^2), bell shaped curve, https://youtu.be/aSjWXMkDazY And you can read more about probability density function here: https://en.wikipedia.org/wiki/Probability_density_function https://brilliant.org/wiki/discrete-random-variables-probability-density/ error function here: https://en.wikipedia.org/wiki/Error_function ☀️support bprp on Patreon: https://www.patreon.com/blackpenredpen Guess what my first job was! https://youtu.be/RSCzXXeqGbU , My simple setup: 😃 https://youtu.be/IKk7k-CMttE , Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for supporting! You're awesome and I know it! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 167223

Likes : 3834

DisLikes : 164

Published Date : 2017-12-31T20:48:17.000Z

I wish all my viewers and supporters a great new year in 2018. follow me on https://twitter.com/blackpenredpen , Read about "The Coffins": http://www.tanyakhovanova.com/coffins.html , But, what about x^x^x^...=2017???? Well, I will do that for you guys... next year! blackpenredpen, math for fun, power tower equation, coffin questions, coffin problems
    

Channel Title : blackpenredpen

Views : 289933

Likes : 6634

DisLikes : 162

Published Date : 2017-07-25T23:04:37.000Z

Are you wondering about (a+bi)^(c+di) now? Here's the video https://youtu.be/Z4PsLt9_ky8 complex^complex=real?, what is i^i?, i^i, e^(-pi/2), classic math problem, complex exponent, polar form of complex numbers, Check out my site & social media www.blackpenredpen.com https://twitter.com/blackpenredpen https://www.instagram.com/blackpenredpen/ Thank you for watching! Please subscribe and share my videos to help my channel grow! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 51562

Likes : 2507

DisLikes : 16

Published Date : 2018-08-23T16:02:48.000Z

Complex definition of cosine, cos(z), https://youtu.be/CjQTWtW_x9o series of ln(1+x), https://youtu.be/lOpAVZUQGJ4 , Please subscribe for more calculus tutorials and share my videos to help my channel grow! 😃 T-shirt: https://teespring.com/derivatives-for-you Patreon: https://www.patreon.com/blackpenredpen #zeta(2) #baselproblem #mathwow , Basel problem. Integral of ln(2cos(x)) from 0 to pi/2, a real integral with an unbelievable result in the complex world, basel's problem with Gucci integral. Comment #YAY down below & your comment might be featured in my future videos!!! Guess what my first job was! https://youtu.be/RSCzXXeqGbU , My simple setup: 😃 https://youtu.be/IKk7k-CMttE , Check out my site & social media 😃 https://blackpenredpen.com/calc1 😃 blackpenredpen@gmail.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for watching & subscribing! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 60164

Likes : 2521

DisLikes : 40

Published Date : 2018-12-28T21:09:24.000Z

Check out Bose Integral: https://youtu.be/ctG4YgMs74w Check out NOT -1/12, https://youtu.be/6FTwMUL69u0 Sum of 1/n^2 by a Gucci Integral: https://youtu.be/5-pXwWNcsbc Sum of n^2, https://youtu.be/UsSC5v0o2Aw Ramanujan Summation: https://en.wikipedia.org/wiki/Ramanujan_summation Ramanujan summation in details: https://hal.univ-cotedazur.fr/hal-01150208v2/document Sum of all natural numbers: by 3b1b: https://youtu.be/sD0NjbwqlYw by Numberphile: https://youtu.be/w-I6XTVZXww by Mathologer: https://youtu.be/jcKRGpMiVTw Please subscribe for more math content! Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 34734

Likes : 1362

DisLikes : 33

Published Date : 2019-01-30T20:24:57.000Z

Sign up for an free account at https://brilliant.org/blackpenredpen/ and try their daily problems now. You can also get a 20% off discount for their annual premium subscription so you can get access to ALL of their awesome designed courses! zero to the zero power, undefined vs. indeterminate: https://youtu.be/MMpJv5K5h9w 0^0=1 by convention in power series: https://youtu.be/rJil85GHEyc Please subscribe for more math content! Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen I create my site www.blackpenred.com on Wix, give it a try: http://wixstats.com/?a=25754&c=124&s1= Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 13329

Likes : 296

DisLikes : 7

Published Date : 2016-09-28T04:00:14.000Z

System of equations with 3 variables an exam question, more resources: http://www.blackpenredpen.com/math/Algebra.html follow me: https://twitter.com/blackpenredpen, blackpenredpen straightforward math lessons, tags: interval notations, how to solve inequalities, how to graph inequalities, how to write interval notations, understand interval notation, switch the inequality when we multiply or divide by a negative number, blackpenredpen algebra lesson, jordan 1s bred, jordan 1s banned,
    

Channel Title : blackpenredpen

Views : 175508

Likes : 4638

DisLikes : 95

Published Date : 2017-08-15T00:48:23.000Z

He did the derivative!!! Check out Fematika's https://www.youtube.com/watch?v=as1vk0IuAHA&t=0s integral of cube root of tan(x), integral of (tan(x))^(1/3), the real hardest integral, the integral you haven't seen before, integral with all techniques, super crazy integral, math for fun, blackpenredpen
    

Channel Title : Fematika

Views : 1931

Likes : 46

DisLikes : 34

Published Date : 2018-03-01T22:49:35.000Z

this is proof real numbers and naturals are fake news, i am finitist and -1x-1=-1 and 1x1=2
    

Channel Title : blackpenredpen

Views : 105683

Likes : 2725

DisLikes : 43

Published Date : 2017-05-19T07:33:52.000Z

Check out the MOM: https://youtu.be/7bMxT1Rkscw Power series of 1/(1-x), 1+x+x^2+x^3+x^4+...=1/(1-x), Geometric Series, Best friend, www.blackpenredpen.com tags: calculus 2 series, power series examples, proof of 1/(1-x), proof of geometric series, proof of geometric series formula, geometric series examples, PROOF OF SUM OF INFINITE GEOMETRY SERIES
    

Channel Title : blackpenredpen

Views : 17081

Likes : 703

DisLikes : 12

Published Date : 2018-08-02T23:58:36.000Z

derivative of ln(x) vs derivative of ln(abs(x)) Please subscribe for more calculus tutorials and share my videos to help my channel grow! 😃 Comment #YAY down below & your comment might be featured in my future videos!!! My simple setup: 😃 https://youtu.be/IKk7k-CMttE , Check out my site & social media 😃 www.blackpenredpen.com 😃 blackpenredpen@gmail.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for watching! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 476748

Likes : 11243

DisLikes : 1080

Published Date : 2017-08-17T22:46:54.000Z

believe in the math, not wolframalpha, To support my channel, you can visit the following links T-shirt: https://teespring.com/derivatives-for-you Patreon: https://www.patreon.com/blackpenredpen Thank you so much! Thank you for watching! Please subscribe and share my videos to help my channel grow! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 89253

Likes : 1584

DisLikes : 132

Published Date : 2017-09-25T21:30:00.000Z

FEMATIKA integrated x^x from 0 to 1, https://youtu.be/9wQfSBmUz3g Very nicely done!!!!!!!!!!!!!!!!!!!!!! integral of x^(x/ln(x)), integral of x^x? interesting calculus problem, hard integral, blackpenredpen, math for fun
    

Channel Title : blackpenredpen

Views : 24694

Likes : 1102

DisLikes : 13

Published Date : 2019-04-09T19:17:05.000Z

How to expand (a+b)^n? Well, we can use the binomial theorem and let me show you how! This video also features the Pascal's Triangle, a combinatoric argument, and how to find the coefficient of a term in an expansion. Coming up next, we will an Extreme Algebra part 2, the Generalized Binomial Theorem! Binomial and trinomial theorem: Part 1: https://youtu.be/cvhyJT9c0ac part 2 (ft. best friend): https://youtu.be/qkvmEe9SYSg part 3: https://youtu.be/xrE3rgkBTPA Bonus part: coming soon For more resource, please visit: https://www.blackpenredpen.com/calc2 Click to subscribe for more math contents: https://www.youtube.com/blackpenredpen?sub_confirmation=1 Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen I create my site www.blackpenred.com on Wix, give it a try: http://wixstats.com/?a=25754&c=124&s1= Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 41476

Likes : 1110

DisLikes : 7

Published Date : 2016-08-24T09:51:24.000Z

understand u substitution, 3 slightly harder examples, integral of x/(1+x^4), @0:47 integral of tan(x)*ln(cos(x)), @4:29 integral of 1/(1+sqrt(x)), @7:47 check out the 2-in-1 expo markers! black red marker, @ official Expo Markers: http://www.expomarkers.com/markers/dry-erase-2-in-1 @ staples: http://www.staples.com/Expo-Dry-Erase-2-in-1-Markers-Chisel-Tip-Assorted-6-pk-1944657-/product_1989946 @ amazon: https://www.amazon.com/Expo-Markers-Chisel-Assorted-1944656/dp/B019QC70MS selected hw solution: http://www.blackpenredpen.com/math/Calculus.html, follow me: https://twitter.com/blackpenredpen, blackpenredpen straightforward math lessons tags: u sub, u substitution examples, integration techniques, what is u sub, how to use u sub, integral calculus, calculus 1 integral problems, calculus 2 integral problems, calculus with blackpenredpen, integration by parts examples, integration with trig sub, integration with partial fractions, hard integral problems, understand integrations, expo 2-in-1 marker review, black red marker
    

Channel Title : blackpenredpen

Views : 61744

Likes : 1720

DisLikes : 47

Published Date : 2017-06-02T03:16:22.000Z

Math for fun, just as ASTOUNDING, 0.01+0.002+0.0003+0.00004+0.000005+0.0000006+0.00000007+0.000000008+0.0000000009+0.00000000010+.... Series of n/3^n: https://www.youtube.com/watch?v=UfJRK5RYxTY Numberphile's video: https://www.youtube.com/watch?v=w-I6XTVZXww&t=68s My OLD video: https://www.youtube.com/watch?v=eUQ4jDmnoXY&t=6s www.blackpenredpen.com
    

Channel Title : blackpenredpen

Views : 64903

Likes : 2168

DisLikes : 23

Published Date : 2018-09-10T09:19:33.000Z

Start learning today, click https://brilliant.org/blackpenredpen/ to check out Brillant.org. First 200 people to sign up will get 20% off your annual premium subscription! This is why the area is t/2 https://youtu.be/h-gKfQkHQSA read more on hyperbolic functions: https://brilliant.org/wiki/hyperbolic-trigonometric-functions/ Please subscribe for more calculus tutorials and share my videos to help my channel grow! 😃 Comment #YAY down below & your comment might be featured in my future videos!!! Guess what my first job was! https://youtu.be/RSCzXXeqGbU , My simple setup: 😃 https://youtu.be/IKk7k-CMttE , Check out my site & social media 😃 https://blackpenredpen.com/calc1 😃 blackpenredpen@gmail.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for watching & subscribing! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 432600

Likes : 8862

DisLikes : 264

Published Date : 2017-09-20T17:49:56.000Z

derivative of x^x, To support my channel, you can visit the following links T-shirt: https://teespring.com/derivatives-for-you Patreon: https://www.patreon.com/blackpenredpen Thank you so much! Check out my site & social media www.blackpenredpen.com https://twitter.com/blackpenredpen https://www.instagram.com/blackpenredpen/ Thank you for watching! Please subscribe and share my videos to help my channel grow! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 31588

Likes : 779

DisLikes : 11

Published Date : 2016-12-08T03:54:27.000Z

Math For Fun#3 (calc1), highest & lowest points on a tilted ellipse? more math for fun: https://www.youtube.com/playlist?list=PLj7p5OoL6vGxe7hIWOKfevOet0e1jOezd Find the derivative by implicit differentiation, get the critical number, find the min and MAX, blackpenredpen follow me: https://twitter.com/blackpenredpen, supreme small box logo hoodie
    

Channel Title : blackpenredpen

Views : 105920

Likes : 2996

DisLikes : 126

Published Date : 2018-10-22T18:23:36.000Z

Start learning today, click https://brilliant.org/blackpenredpen/ to check out Brillant.org. First 200 people to sign up will get 20% off your annual premium subscription! Solving x^x=2 using Lambert W function, properties of Lambert W functions, the inverse of x*e^x, graph of y=x^x, https://youtu.be/QzQmoOW8puM graph of y=x*e^x, https://youtu.be/YuLgC4syHNI Solving xe^x=1, https://youtu.be/EjUp_5X6io4 Please subscribe for more math content! ☀️support bprp on Patreon: https://www.patreon.com/blackpenredpen Guess what my first job was! https://youtu.be/RSCzXXeqGbU , My simple setup: 😃 https://youtu.be/IKk7k-CMttE , Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for supporting! You're awesome and I know it! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 142005

Likes : 3657

DisLikes : 116

Published Date : 2018-09-17T08:57:55.000Z

A pretty hard integral by integration by parts. Integral of x^2/(x*sin(x)+cos(x))^2, DI Method explained here: https://youtu.be/matDV3XL2J8 This is also an example that shows why I don't teach my students the "LIATE method"., IIT JEE EXAM PREP PROBLEM, Please subscribe for more calculus tutorials and share my videos to help my channel grow! 😃 Comment #YAY down below & your comment might be featured in my future videos!!! Guess what my first job was! https://youtu.be/RSCzXXeqGbU , My simple setup: 😃 https://youtu.be/IKk7k-CMttE , Check out my site & social media 😃 https://blackpenredpen.com/calc1 😃 blackpenredpen@gmail.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for watching & subscribing! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 27141

Likes : 1128

DisLikes : 10

Published Date : 2018-11-09T20:43:55.000Z

Start learning today, click https://brilliant.org/blackpenredpen/ to check out Brillant.org. First 200 people to sign up will get 20% off your annual premium subscription! Review disc method, https://youtu.be/BeVQKkUJCVg Review surface area, https://youtu.be/A_vSMlXH3sg Integral of 1/x from 1 to inf diverges, *here later* Finite Volume but Infinite Surface Area? Check out Gabriel's Horn here: https://brilliant.org/wiki/gabriels-horn/ ☀️support bprp on Patreon: https://www.patreon.com/blackpenredpen Guess what my first job was! https://youtu.be/RSCzXXeqGbU , My simple setup: 😃 https://youtu.be/IKk7k-CMttE , Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for supporting! You're awesome and I know it! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 10791

Likes : 406

DisLikes : 4

Published Date : 2018-12-23T08:53:34.000Z

This is NOT hard because it's easy : ) #CircularReasoning Converge or diverge: series of n^n/3^(n^2) by the root test Please subscribe for more math content! Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 242362

Likes : 6726

DisLikes : 99

Published Date : 2016-02-20T09:59:14.000Z

Why DI method works: https://youtu.be/matDV3XL2J8 integral of x^2*sin(3x), @0:06 integral of x^4*ln(x), @5:34 integral of e^x*sin(x), @10:05 integral of e^x sinx, integral of x^2*sin(3x), integral of x^4*ln(x) integration by parts, DI method, solution playlist page http://www.blackpenredpen.com/math/Calculus.html Easiest way to set up the integration by parts, DI method, all 3 stops, all 3 situations, with 3 typical examples, Tabular Integration, blackpenredpen, math for fun | 曹老師數學
    

Channel Title : blackpenredpen

Views : 54872

Likes : 2804

DisLikes : 32

Published Date : 2019-02-01T18:31:25.000Z

Pythagorean triple generator https://youtu.be/n6vL2KiWrD4 Proving the Pythagorean Theorem and the Inverse Pythagorean Theorem! I like this proof because of the similar triangles in a right triangle make things so cool! This question was asked by Toby from my Chinese channel: 中文版 https://youtu.be/PSMRSEmcAAg Please subscribe for more math content! Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen I create my site www.blackpenred.com on Wix, give it a try: http://wixstats.com/?a=25754&c=124&s1= Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師
    

Channel Title : blackpenredpen

Views : 54204

Likes : 1509

DisLikes : 26

Published Date : 2018-01-17T09:15:03.000Z

Have you ever wondered how I write with two markers in one hand? Watch the video and if you like it, be sure to subscribe! Support me for more math for fun videos: https://www.patreon.com/blackpenredpen Comment #bprpYAY down below & your comment might be featured in my future videos!!! My simple setup: https://youtu.be/IKk7k-CMttE , Check out my site & social media www.blackpenredpen.com https://twitter.com/blackpenredpen https://www.instagram.com/blackpenredpen/ Thank you for watching! blackpenredpen | 曹老師 Blackpenredpen Markers Trick REVEALED!!!
    

Channel Title : blackpenredpen

Views : 15112

Likes : 837

DisLikes : 5

Published Date : 2019-01-04T11:00:05.000Z

In this video, we derive the formulas we need to compute the Fourier coefficients for Fourier Series. Enjoy! Please subscribe for more math content! Check out my T-shirts & Hoodies: https://teespring.com/stores/blackpenredpen support bprp on Patreon (there's a discount code to bprp Teespring store for everyone) https://www.patreon.com/blackpenredpen Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for your support! blackpenredpen | 曹老師

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