I was playing around and did this: Then: so so and 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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