3 x - x *acos(x)
x - x^3*acos(x)
3 x 2 1 + ----------- - 3*x *acos(x) ________ / 2 \/ 1 - x
/ 3 \ | x 6*x | x*|-6*acos(x) + ----------- + -----------| | 3/2 ________| | / 2\ / 2 | \ \1 - x / \/ 1 - x /
5 3 3*x 10*x 18*x -6*acos(x) + ----------- + ----------- + ----------- 5/2 3/2 ________ / 2\ / 2\ / 2 \1 - x / \1 - x / \/ 1 - x