___ x*\/ x *acot(x)
(x*sqrt(x))*acot(x)
3/2 ___ x 3*\/ x *acot(x) - ------ + --------------- 2 2 1 + x
___ 5/2 3*\/ x 2*x 3*acot(x) - ------- + --------- + --------- 2 2 ___ 1 + x / 2\ 4*\/ x \1 + x /
/ 2 \ 3/2 | 4*x | 2*x *|-1 + ------| 3/2 | 2| 9*x 9 3*acot(x) \ 1 + x / --------- - ---------------- - --------- - -------------------- 2 ___ / 2\ 3/2 2 / 2\ 4*\/ x *\1 + x / 8*x / 2\ \1 + x / \1 + x /