1 atan(2*x) 2
- ------- - --------- + ------------
___ 2 / 2\
2*\/ x x x*\1 + 4*x /
$$\frac{2}{x \left(4 x^{2} + 1\right)} - \frac{\operatorname{atan}{\left(2 x \right)}}{x^{2}} - \frac{1}{2 \sqrt{x}}$$
16 1 4 2*atan(2*x)
- ----------- + ------ - ------------- + -----------
2 3/2 2 / 2\ 3
/ 2\ 4*x x *\1 + 4*x / x
\1 + 4*x /
$$- \frac{16}{\left(4 x^{2} + 1\right)^{2}} - \frac{4}{x^{2} \left(4 x^{2} + 1\right)} + \frac{2 \operatorname{atan}{\left(2 x \right)}}{x^{3}} + \frac{1}{4 x^{\frac{3}{2}}}$$
3 6*atan(2*x) 12 32 256*x
- ------ - ----------- + ------------- + ------------- + -----------
5/2 4 3 / 2\ 2 3
8*x x x *\1 + 4*x / / 2\ / 2\
x*\1 + 4*x / \1 + 4*x /
$$\frac{256 x}{\left(4 x^{2} + 1\right)^{3}} + \frac{32}{x \left(4 x^{2} + 1\right)^{2}} + \frac{12}{x^{3} \left(4 x^{2} + 1\right)} - \frac{6 \operatorname{atan}{\left(2 x \right)}}{x^{4}} - \frac{3}{8 x^{\frac{5}{2}}}$$