integrating by parts a level question
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I’m doing this question and I’ve identified dv but I’m not sure how to integrate it to find v
https://share.icloud.com/photos/085FJ4fgbXFb-v9Wx6vVG9_nw
https://share.icloud.com/photos/085FJ4fgbXFb-v9Wx6vVG9_nw
Reply 1
21
Original post
by esha06I’m doing this question and I’ve identified dv but I’m not sure how to integrate it to find v
https://share.icloud.com/photos/085FJ4fgbXFb-v9Wx6vVG9_nw
https://share.icloud.com/photos/085FJ4fgbXFb-v9Wx6vVG9_nw
Its just the (reverse) chain rule. More generally you have
dv = 2 f'(x) f(x)
so integrating gives ...
(edited 1 year ago)
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