Integrate (dx)/(-4 + x^2): Guidelines

[asd1249jf]

Homework Statement

Integrate (dx)/(-4 + x^2)

Homework Equations

Trig substitution?

The Attempt at a Solution

How would you integrate something like this? I don't need answers, I just need some guidelines to start off.

 

[mjsd]

note: (x^2-4) = (x-2)(x+2)
then partial factions

 

[asd1249jf]

note: (x^2-4) = (x-2)(x+2)
then partial factions

(Hits head)

Engineering makes you forget the basic methods of integration.

Thanks.