Can I get some help with this integral?

I have thought of integration by parts and substitution. Nothing seems to be clicking yet. I am thinking that I need to multiply this fraction by something but have no idea.

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- June 18th 2007, 08:56 AMPossible actuaryintegration...
Can I get some help with this integral?

I have thought of integration by parts and substitution. Nothing seems to be clicking yet. I am thinking that I need to multiply this fraction by something but have no idea. - June 18th 2007, 09:25 AMKrizalid
Set

- June 18th 2007, 09:29 AMJhevon
this question was asked by another user and answered here.

i believe the method was to use a substitution followed by a trig substitution. but Krizalid's method may be easier come to think of it - June 18th 2007, 01:29 PMPossible actuary
- June 18th 2007, 01:34 PMPossible actuary
- June 18th 2007, 01:49 PMKrizalid
Probably Jhevon looked that thread time ago and remembered who answered it.

This way it's easy to find known threads. - June 18th 2007, 03:27 PMJhevon
i believe you can type the LaTex code for the integral into the search bar and it will find it. however, it is usually easier to find a thread if you remember a phrased used in the thread.

for this, i remember seeing this question a while back, so i estimated the date i saw it to minimize my search. i also remembered that i subscribed to the thread and that "trig substitution" was used. so i searched for "trig substitution" and browsed through only the threads that i was subscribed to around the date that i estimated the thread was psoted and found it