/ 2 x*acos(x) \ -3*|------- + -----------|*acos(x) | 2 3/2| |-1 + x / 2\ | \ \1 - x / /
/ 2 2 2 \ | 2 acos (x) 3*x *acos (x) 6*x*acos(x)| 3*|- ----------- - ----------- - ------------- + -----------| | 3/2 3/2 5/2 2| | / 2\ / 2\ / 2\ / 2\ | \ \1 - x / \1 - x / \1 - x / \-1 + x / /