Homework Statement [Intgrl]ln(x^(2)+4)dx Homework Equations [Intgrl]udv=uv-[Intgrl]vdu The Attempt at a Solution [Intgrl]ln(x^(2)+4)dx, u=ln(x^(2)+4), du=(2x/x^(2)+4), dv=dx, v=x xln(x^(2)+4)-[Intgrl](2x^(2)/(x^(2)+4))dx