Ok so I don't understand what I'm supposed to be doing in this problem:

if f(0) = g(0) = 0 and f" and g" are continuous, show that

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- Sep 27th 2011, 10:30 AMourdemiseIntegration by parts problem.
Ok so I don't understand what I'm supposed to be doing in this problem:

if f(0) = g(0) = 0 and f" and g" are continuous, show that

- Sep 27th 2011, 10:38 AMskeeterRe: Integration by parts problem, please help?
- Sep 27th 2011, 10:46 AMSironRe: Integration by parts problem, please help?
You have to prove that:

If we use integration by parts on this integral: then, let with

Therefore we get:

Now use integration by parts again to compute

EDIT: sorry, I didn't see skeeter's post :)