x / 2 16*x 4*(pi*I + log(-tan(2)))\ tan (2)*|(pi*I + log(-tan(2))) *atan(2*x) - ----------- + -----------------------| | 2 2 | | / 2\ 1 + 4*x | \ \1 + 4*x / /
/ / 2 \ \ | | 16*x | | | 16*|-1 + --------| | | 2 | 2| | x | 3 6*(pi*I + log(-tan(2))) \ 1 + 4*x / 48*x*(pi*I + log(-tan(2)))| tan (2)*|(pi*I + log(-tan(2))) *atan(2*x) + ------------------------ + ------------------ - --------------------------| | 2 2 2 | | 1 + 4*x / 2\ / 2\ | \ \1 + 4*x / \1 + 4*x / /