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