First one, . Is that as straight forward as it seems? Expand that out and then integrate as normal? Or should I substitute, setting and ?

Second one, . No idea where to start.

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- June 26th 2007, 07:31 PMcinderFew more integral questions.
First one, . Is that as straight forward as it seems? Expand that out and then integrate as normal? Or should I substitute, setting and ?

Second one, . No idea where to start. - June 26th 2007, 08:00 PMThePerfectHacker
- June 26th 2007, 08:01 PMSoroban
Hello, cinder!

Looks like you're a bit shaky about substitution . . .

Quote:

Substitute: .

Back-substitute: .

Quote:

Let

Substitute: .

. .

Back-substitute: .

- June 26th 2007, 08:11 PMcinder
- June 26th 2007, 08:33 PMCaptainBlack
- June 26th 2007, 11:32 PMred_dog
For the second integral you can make the substitution .

Then

So