3 2*atan(x) + log (x)
2*atan(x) + log(x)^3
2 2 3*log (x) ------ + --------- 2 x 1 + x
2 4*x 3*log (x) 6*log(x) - --------- - --------- + -------- 2 2 2 / 2\ x x \1 + x /
/ 2 2 \ | 2 3 9*log(x) 3*log (x) 8*x | 2*|- --------- + -- - -------- + --------- + ---------| | 2 3 3 3 3| | / 2\ x x x / 2\ | \ \1 + x / \1 + x / /