I was playing around and did this:
Any obvious division by zero someone should point out?
Or do I just not understand the concept of something?
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Are you trying to derive the integration by parts formula?
Let and .
By the product rule: .
But, I thought since in: udv, you where taking the integral of u with respect of dv and thus you could use the scalar multiple rule.
Samne thing with:
It's not taking the integral of with respect to .
It's just shorthand for . Do you see how it "looks like" the s cancel?
So you're taking the integral of the product of and , with respect to .
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