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**riverjib****Member**- Registered: 2007-03-18
- Posts: 1

Can somebody help me with this?

int(16+x^2)^-3/2

I'm pretty sure the best way to start is with the substitution x=atan@ where x=4, but I'm not sure what to do with the fact that (16+x^2) is cubed underneath the radical...we haven't had any problems yet that weren't straightforward.

Thanks!

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**JaneFairfax****Member**- Registered: 2007-02-23
- Posts: 6,868

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**Stanley_Marsh****Member**- Registered: 2006-12-13
- Posts: 345

Outstanding calculation...omg..

*Last edited by Stanley_Marsh (2007-03-18 17:12:28)*

Numbers are the essence of the Universe

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