I am trying to do ...

Here is what I did. Can you either comment on my work or post a better solution?

Assume the domain of all functions is.Let

Therefore,

Since the integrand is symmetric about,

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- Jan 12th 2011, 07:22 PMbillaSimple way to do an integral
I am trying to do ...

Here is what I did. Can you either comment on my work or post a better solution?

*Assume the domain of all functions is*.*Let*

*Therefore,*

*Since the integrand is symmetric about**,*

- Jan 12th 2011, 07:48 PMKrizalid
well the answer is right, but your procedure seems to be a little bit messy.

we use the fact that hence your integral becomes - Jan 12th 2011, 08:02 PMbilla
Awesome! Many thanks, Krizalid.