/ 5/3 \ | x 2 acot(x)| 2*|--------- - ---------------- - -------| | 2 3 ___ / 2\ 4/3| |/ 2\ 3*\/ x *\1 + x / 9*x | \\1 + x / /
/ / 2 \\ | 2/3 | 4*x || | x *|-1 + ------|| | 2/3 | 2|| | 2*x 1 4*acot(x) \ 1 + x /| 2*|--------- + --------------- + --------- - ------------------| | 2 4/3 / 2\ 7/3 2 | |/ 2\ 3*x *\1 + x / 27*x / 2\ | \\1 + x / \1 + x / /