/ x 3 \
2*|----------- - -----------------|
| 3/2 / 2\ |
|/ 2\ \-1 + x /*acos(x)|
\\1 - x / /
-----------------------------------
3
acos (x)
$$\frac{1}{\operatorname{acos}^{3}{\left (x \right )}} \left(\frac{2 x}{\left(- x^{2} + 1\right)^{\frac{3}{2}}} - \frac{6}{\left(x^{2} - 1\right) \operatorname{acos}{\left (x \right )}}\right)$$
/ 2 \
| 1 3*x 12 9*x |
2*|----------- + ----------- + -------------------- + ------------------|
| 3/2 5/2 3/2 2 |
|/ 2\ / 2\ / 2\ 2 / 2\ |
\\1 - x / \1 - x / \1 - x / *acos (x) \-1 + x / *acos(x)/
-------------------------------------------------------------------------
3
acos (x)
$$\frac{1}{\operatorname{acos}^{3}{\left (x \right )}} \left(\frac{6 x^{2}}{\left(- x^{2} + 1\right)^{\frac{5}{2}}} + \frac{18 x}{\left(x^{2} - 1\right)^{2} \operatorname{acos}{\left (x \right )}} + \frac{2}{\left(- x^{2} + 1\right)^{\frac{3}{2}}} + \frac{24}{\left(- x^{2} + 1\right)^{\frac{3}{2}} \operatorname{acos}^{2}{\left (x \right )}}\right)$$