i need help with the question:
Evaluate the following integral using a trigonometric substitution.
int[dx/(x^2-1)^(3/2)], x>1
any help would be appreciated, thanks.
Trigonometric Substitution
Does your integrand contain any of the forms given in the wiki entry? Yes. $\displaystyle x^2 - a^2$.
What trig substitution should you use? $\displaystyle x = \cdots$