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