/ 1 1 \
x*|------ - -----------| + acos(x) + atan(x)
| 2 ________|
|1 + x / 2 |
\ \/ 1 - x /
$$x \left(\frac{1}{x^{2} + 1} - \frac{1}{\sqrt{1 - x^{2}}}\right) + \operatorname{acos}{\left(x \right)} + \operatorname{atan}{\left(x \right)}$$
2 2 2 / 1 2 \
- ----------- + ------ - x *|----------- + ---------|
________ 2 | 3/2 2|
/ 2 1 + x |/ 2\ / 2\ |
\/ 1 - x \\1 - x / \1 + x / /
$$- x^{2} \left(\frac{2}{\left(x^{2} + 1\right)^{2}} + \frac{1}{\left(1 - x^{2}\right)^{\frac{3}{2}}}\right) + \frac{2}{x^{2} + 1} - \frac{2}{\sqrt{1 - x^{2}}}$$
/ 2 2 \
| 4 8 8*x 3*x |
-x*|----------- + --------- - --------- + -----------|
| 3/2 2 3 5/2|
|/ 2\ / 2\ / 2\ / 2\ |
\\1 - x / \1 + x / \1 + x / \1 - x / /
$$- x \left(- \frac{8 x^{2}}{\left(x^{2} + 1\right)^{3}} + \frac{3 x^{2}}{\left(1 - x^{2}\right)^{\frac{5}{2}}} + \frac{8}{\left(x^{2} + 1\right)^{2}} + \frac{4}{\left(1 - x^{2}\right)^{\frac{3}{2}}}\right)$$