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