atan(2*x) 2
- --------- + ------------
2 / 2\
x x*\1 + 4*x /
$$- \frac{\operatorname{atan}{\left(2 x \right)}}{x^{2}} + \frac{2}{x \left(4 x^{2} + 1\right)}$$
/ 8 atan(2*x) 2 \
2*|- ----------- + --------- - -------------|
| 2 3 2 / 2\|
| / 2\ x x *\1 + 4*x /|
\ \1 + 4*x / /
$$2 \left(- \frac{8}{\left(4 x^{2} + 1\right)^{2}} + \frac{\operatorname{atan}{\left(2 x \right)}}{x^{3}} - \frac{2}{x^{2} \cdot \left(4 x^{2} + 1\right)}\right)$$
/ / 2 \\
| | 16*x ||
| 8*|-1 + --------||
| | 2||
| 24 3*atan(2*x) 6 \ 1 + 4*x /|
2*|----------- - ----------- + ------------- + -----------------|
| 2 3 2 / 2\ 2 |
|/ 2\ x x *\1 + 4*x / / 2\ |
\\1 + 4*x / \1 + 4*x / /
-----------------------------------------------------------------
x
$$\frac{2 \cdot \left(\frac{8 \cdot \left(\frac{16 x^{2}}{4 x^{2} + 1} - 1\right)}{\left(4 x^{2} + 1\right)^{2}} + \frac{24}{\left(4 x^{2} + 1\right)^{2}} - \frac{3 \operatorname{atan}{\left(2 x \right)}}{x^{3}} + \frac{6}{x^{2} \cdot \left(4 x^{2} + 1\right)}\right)}{x}$$