/ 2 \
| 3*x |
|-1 + -------|*atan(x)
| 2|
2*x \ -1 + x / 2*x
- --------- + ---------------------- - ------------------
2 2 / 2\ / 2\
/ 2\ -1 + x \1 + x /*\-1 + x /
\1 + x /
---------------------------------------------------------
_________
/ 2
\/ -1 + x
$$\frac{- \frac{2 x}{\left(x^{2} + 1\right)^{2}} - \frac{2 x}{\left(x^{2} - 1\right) \left(x^{2} + 1\right)} + \frac{\left(\frac{3 x^{2}}{x^{2} - 1} - 1\right) \operatorname{atan}{\left(x \right)}}{x^{2} - 1}}{\sqrt{x^{2} - 1}}$$
/ 2 \ / 2 \ / 2 \
| 4*x | | 3*x | | 5*x |
2*|-1 + ------| 3*|-1 + -------| 3*x*|-3 + -------|*atan(x)
| 2| | 2| 2 | 2|
\ 1 + x / \ -1 + x / 6*x \ -1 + x /
--------------- + ------------------ + ------------------- - --------------------------
2 / 2\ / 2\ 2 2
/ 2\ \1 + x /*\-1 + x / / 2\ / 2\ / 2\
\1 + x / \1 + x / *\-1 + x / \-1 + x /
---------------------------------------------------------------------------------------
_________
/ 2
\/ -1 + x
$$\frac{\frac{6 x^{2}}{\left(x^{2} - 1\right) \left(x^{2} + 1\right)^{2}} - \frac{3 x \left(\frac{5 x^{2}}{x^{2} - 1} - 3\right) \operatorname{atan}{\left(x \right)}}{\left(x^{2} - 1\right)^{2}} + \frac{2 \left(\frac{4 x^{2}}{x^{2} + 1} - 1\right)}{\left(x^{2} + 1\right)^{2}} + \frac{3 \left(\frac{3 x^{2}}{x^{2} - 1} - 1\right)}{\left(x^{2} - 1\right) \left(x^{2} + 1\right)}}{\sqrt{x^{2} - 1}}$$