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We need a symbol for the differentiation method to distinguish it from the integration approach. Mathematicians give mixing the notations used to represent the differentiation and integration methods. For instance lecturers state of performing integration of parts, not knowing they will be performing derivative. For derivative: u(x) ≈ xu^(x-1) and for integration: n(x) = (1/(x+1)*n^(x+1).

Ginus Feyman !

58 is not a multiple of 7

the second problem can also be solved using cauchy-schwarz inequality!!

wow that last problem was crazy 🤯

Hello, I think you have a mistake in the 5th problem - the inequality doesn’t hold for n=1. You would’ve probably spotted this, but sadly, in the part where u did the AM-GM, the sum from 1….n-1 is actually n(n-1)/2, since we have only n-1 numbers in the sum. Due to this unfortunate mistake, you got the answer a^(n/2), but actually, you should’ve got a^((n-1)/2). An easy fix would be to just make the inequality in the statement greater or equal, then everything will be just fine! Thank you for the vid, I’m enjoying this series a lot.

awesome neat

thanks for the video! everything just made sense once u plugged in y = -x. Please continue with this content i beg u 🙏🙏

yeah no I give up, I'm not smart enough for maths 😭

Nice

Awesome video i'm really really sad you stopped posting vids 😭 hope ur okay bud

This method is NOT called "Feynman Integration" , IT'S CALLED *Leibniz Integral Rule* . Gottfried Leibniz DISCOVERED THE RULE, Feynman POPULARISED IT. THIS IS Leibniz's technique, NOT FEYNMAN'S. GIVE THE CREDIT TO THE RIGHT PERSON FOR GOODNESS SAKE 😡😡 0:29 - You meant, " With a little bit of help from *GOTTFRIED LEIBNIZ* " 😡😡

Amazing format! I love the video format. Great work brother ^_^ Keep shining 😎

"IMO used to be easy". 😂You could say that again. Thank you bro, understood everything.🙏🏾

Sir, you are underrated!! please don't let the lack of views demotivate you!

OUTSTANDING explanation!

cool video, make more

It's Amazing how Feynman so frequently receives credit for this technique when it is actually attributed to Gottfried Leibniz. He wrote about it in a letter to Johann Bernoulli long before Feynman was even born. It seem a bit unfair to call it Feynman's Trick rather than the Leibniz integral rule. While Feynman was quite brilliant, he didn't invent this technique, he just read about it in a textbook (_Advanced Calculus_ by Fredrick S Woods) when he was a teen and then popularized it when he was at MIT. Feynman mentions this in his book, _Surely you’re joking, Mr. Feynman_. He never wanted to take credit for it. But for some reason, lots of people on the Internet treat this idea as if it were Feynman's original idea, which simply isn't true.

Amazing video, surprised this through explainer doesn't have more view, cheers 🎉

ej Ty jesteś z PL cn? bo widziałem twoje tt z e8

nice subject, this an outstanding problem solved by the same method enjoy !!!! ruclips.net/video/QReQpPhcIhA/видео.html

Simplify it by the identity e^W(x)=x/(W(x))

where have you been bro😢

literally the best frickin video on this topic and super fast too thank you so much

Thank You!

Why don’t I see this last year?

I really appreciate that this video’s randomly popped up on my feed. I can’t even understand fully how to use hölder. Thanks so much 😊

I might be stupid, but in 5:30 onwards, wouldn't plugging in t=infinity for e^xt/x just give infinity rather than 0?

You find the homogene result then say that the particular answer is A(t)exp(-4t),put it in the equation,and then find the answer for A(t) doing a basing integration much more easier than doing the inverse Laplace transform

Cool

Very nice

Very clearly explained! Thanks so much!

nice one bro

Amazing video! Your explanations are always on point, and the visuals are great at complementing them (as well as being marvelous to look at).

Brother you keep making my calc classes infinitely easier, much love

best math channel out there that I could discover. !!!!!!

Awesome video bro

I really enjoy your way of describing math concepts. I believe we direction where we the most value out of your videos (aka directional derivative) is when you post long form videos and go step by step!

Cool 😮

nice jump cuts at eulers identity ;-)

x!/x^x tends to e^-x

🔥🔥🔥

splendid

Smart move

Hiyaaa, you must be an asian!!!

do you have a full length video on Lambert W function

Ewww shittiest accent ever

Why plus c? At 5:09