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