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Reverse Chain Rule (1 of 3: Standard questions, "Differentiate » integrate" questions) 

Eddie Woo
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29 мар 2018

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Комментарии : 25   
@Gillespie28
@Gillespie28 6 лет назад
I hope to be half the teacher this man is one day. He’s phenomenal
@rparker3774
@rparker3774 3 года назад
Thank you Mr Woo
@profesor10demates
@profesor10demates 6 лет назад
Muy buen video, enhorabuena eres un crack, un abrazo infinito compañero
@mmukulkhedekar4752
@mmukulkhedekar4752 6 лет назад
Yeah folks use Binomial Theorem.......use all the answer sheets expanding and integrating each term!!
@india8009
@india8009 6 лет назад
You are now getting famous ,I am from India
@edwarddocherty6728
@edwarddocherty6728 6 лет назад
This guy is class 👌🏻👌🏻
@zmaxproductionsharry5806
@zmaxproductionsharry5806 4 года назад
thanks :)
@ldbspg2385
@ldbspg2385 5 лет назад
Why the derivative of (sqrtx+1)^3?
@mathboy1066
@mathboy1066 2 года назад
Since with integration you add 1 to the power so to the power of 3 so you have 1/ derivative when the chain rule is reversed
@thefreeze6023
@thefreeze6023 9 месяцев назад
If I replace the 3x+1 in the first question with 3x^2+1, it does not work! So does this method only work with some functions?
@edwarddocherty6728
@edwarddocherty6728 6 лет назад
Thanks mr woo but do you have any videos on expanding double brackets I.e multiplying a binomial by a trinomial thanks... all the way from Glasgow, Scotland
@JohnM...
@JohnM... 6 лет назад
Edward Docherty if using, say: (a+b)(c+d+e), then just group together d and e, Like: (a+b)(c+(d+e)) = a(c+(d+e))+b(c+(d+e)) = ac+a(d+e) + bc+b(d+e)
@GooogleGoglee
@GooogleGoglee 6 лет назад
Hence the last integral should be equal to: 2/3 ( x^(-1/2) + 1)^3 Correct?
@JohnM...
@JohnM... 6 лет назад
Google Google not negative one half but positive one half. ( +C)
@GooogleGoglee
@GooogleGoglee 6 лет назад
John M Correct! Thank you! I still don't know why I did insert that minus symbol... I will leave the original like that to keep the sense of your answer. Thank you
@saiphaneeshk.h.5482
@saiphaneeshk.h.5482 6 лет назад
Google Google sorry I didn't understand why you got 2/3?
@JohnM...
@JohnM... 6 лет назад
SAI PHANEESH he's integrating the expression on the top right.
@abdullahhussain9589
@abdullahhussain9589 3 года назад
Yeah I don’t care I’m binomially expanding this whatever it takes
@CliffStamp
@CliffStamp 6 лет назад
Isn't this just substitution?
@leostoll3386
@leostoll3386 6 лет назад
The first one is. The second one could be solved using integration by parts.
@JohnM...
@JohnM... 6 лет назад
Leo Stoll 2 nd substitution a possible sub is u= root(x)+1, 2du= 1/root(x)
@ozonejgs2887
@ozonejgs2887 5 лет назад
Leo Stoll ...and substitution. In fact, parts would be way worse. By parts would make it way too confusing.
@DeaGLesSProd
@DeaGLesSProd 6 лет назад
Not judging or anything, I don't know the circumstances of this, maybe your students are having some exams or something like that, but it's funny how I look back to your older videos where you explain things with way more enthusiasm, you gave the feeling like maths is great like it's not about learning patterns to answer questions with no brain functioning, like it's an art and it's beautiful. There you go now just making them learn how to answer exam questions and memorizing them and maybe forgetting about the joy of learning pure mathematics
@angelisvegan5826
@angelisvegan5826 3 года назад
No.. he did well.. he didn't just shoved a formula down your throat but he did explain everything in detail and you do have to solve problems pal. I mean you understand everything but you can't solve a problem. How would that look?? You have to solve problems so that we can come up with better ways to solve universal problems..
@MS-qh3iz
@MS-qh3iz 3 года назад
Omg I’m getting goosebumps why is this guy so so freaking similar to my 10th grade maths teacher. I swear EVERY SINGLE MOVEMENT AND MODULATION IS THE EXACT SAME. I’m actually getting scared now.
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