2
2*x 3*log (x)
2*atan(x) + ------ + ---------
2 x
1 + x
$$\frac{2 x}{x^{2} + 1} + 2 \operatorname{atan}{\left(x \right)} + \frac{3 \log{\left(x \right)}^{2}}{x}$$
2 2
4 4*x 3*log (x) 6*log(x)
------ - --------- - --------- + --------
2 2 2 2
1 + x / 2\ x x
\1 + x /
$$- \frac{4 x^{2}}{\left(x^{2} + 1\right)^{2}} + \frac{4}{x^{2} + 1} - \frac{3 \log{\left(x \right)}^{2}}{x^{2}} + \frac{6 \log{\left(x \right)}}{x^{2}}$$
/ 2 3 \
|3 9*log(x) 8*x 3*log (x) 8*x |
2*|-- - -------- - --------- + --------- + ---------|
| 3 3 2 3 3|
|x x / 2\ x / 2\ |
\ \1 + x / \1 + x / /
$$2 \left(\frac{8 x^{3}}{\left(x^{2} + 1\right)^{3}} - \frac{8 x}{\left(x^{2} + 1\right)^{2}} + \frac{3 \log{\left(x \right)}^{2}}{x^{3}} - \frac{9 \log{\left(x \right)}}{x^{3}} + \frac{3}{x^{3}}\right)$$