/ 2 \ 2
| 1 2*acos (x) x*acos(x) | acos (x)
-2*|------- + ---------- + -----------|*e
| 2 2 3/2|
|-1 + x -1 + x / 2\ |
\ \1 - x / /
$$- 2 \left(\frac{x \operatorname{acos}{\left(x \right)}}{\left(1 - x^{2}\right)^{\frac{3}{2}}} + \frac{2 \operatorname{acos}^{2}{\left(x \right)}}{x^{2} - 1} + \frac{1}{x^{2} - 1}\right) e^{\operatorname{acos}^{2}{\left(x \right)}}$$
/ 3 2 2 \ 2
| 7*acos(x) 4*acos (x) 3*x 3*x *acos(x) 6*x*acos (x)| acos (x)
2*|- ----------- - ----------- + ---------- - ------------ + ------------|*e
| 3/2 3/2 2 5/2 2 |
| / 2\ / 2\ / 2\ / 2\ / 2\ |
\ \1 - x / \1 - x / \-1 + x / \1 - x / \-1 + x / /
$$2 \left(- \frac{3 x^{2} \operatorname{acos}{\left(x \right)}}{\left(1 - x^{2}\right)^{\frac{5}{2}}} + \frac{6 x \operatorname{acos}^{2}{\left(x \right)}}{\left(x^{2} - 1\right)^{2}} + \frac{3 x}{\left(x^{2} - 1\right)^{2}} - \frac{4 \operatorname{acos}^{3}{\left(x \right)}}{\left(1 - x^{2}\right)^{\frac{3}{2}}} - \frac{7 \operatorname{acos}{\left(x \right)}}{\left(1 - x^{2}\right)^{\frac{3}{2}}}\right) e^{\operatorname{acos}^{2}{\left(x \right)}}$$