# Integration problem

1. Aug 18, 2008

### birdhen

I am having problems trying to solve the following problem and wondered if anyone could point me in the right direction..

Ht=integral of:(((1-omega)*a^-1+(omega*a^-2))^-1/2)da

cheers

2. Aug 18, 2008

### tiny-tim

Welcome to PF!

Hi birdhen! Welcome to PF!

(have an integral: ∫ and a square-root: √ and an omega: ω )

Hint: multiply top and bottom by a (to get rid of the nasty inverses ), and then complete the square …

in other words, put the bracket into the form something2 ± a constant.

3. Aug 18, 2008

thank you!