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