Question

use substitution x=2tan(theta) to solve the integral dx/((x^2(x^2+4)^(1/2)) from 1/2 to 1

Answer 1

\[\large \int_{1}^{\frac {1}{2}}\frac {dx}{x^2\sqrt{x^2+4}} \]
that's the integral?

Answer 2

can you simplify and do it from here?