Integral involving a square root which I can't work out

[sandysip]

Homework Statement

Hi, I'm stuck on the following integral.

∫ y / (√(a(y^2)-c)) dy

where a and c are constants

Homework Equations

The Attempt at a Solution

I've tried using standard integrals involving square roots in the denominator, but I'm unsure what to do with the y on the numerator.

Any help would be appreciated!

 

[dx]

Hint: Write the integrand as the derivative of a function of the form √(______).