What is the integral of (2x^2+4)/(x^3+4x)
integral (2x^2+4)/(x^3+4x) dx = integral (3x^2+4)/(x^3+4x) dx - integral (x^2)/(x^3+4x) dx = integral d(x^3+4x)/(x^3+4x) -1/2integral d(x^2+4)/(x^2+4) = ln|x^3+4x| -1/2ln|x^2+4| + C =ln|x*sqrt(x^2+4)| + C
