1 atan(x)
-------------- - -------
___ / 2\ 3/2
\/ x *\1 + x / 2*x
$$\frac{1}{\sqrt{x} \left(x^{2} + 1\right)} - \frac{\operatorname{atan}{\left(x \right)}}{2 x^{\frac{3}{2}}}$$
___
1 2*\/ x 3*atan(x)
- ------------- - --------- + ---------
3/2 / 2\ 2 5/2
x *\1 + x / / 2\ 4*x
\1 + x /
$$- \frac{2 \sqrt{x}}{\left(x^{2} + 1\right)^{2}} - \frac{1}{x^{\frac{3}{2}} \left(x^{2} + 1\right)} + \frac{3 \operatorname{atan}{\left(x \right)}}{4 x^{\frac{5}{2}}}$$
/ 2 \
| 4*x |
2*|-1 + ------|
| 2|
3 \ 1 + x / 15*atan(x) 9
--------- + --------------- - ---------- + -------------
2 2 3 2 / 2\
/ 2\ / 2\ 8*x 4*x *\1 + x /
\1 + x / \1 + x /
--------------------------------------------------------
___
\/ x
$$\frac{\frac{2 \cdot \left(\frac{4 x^{2}}{x^{2} + 1} - 1\right)}{\left(x^{2} + 1\right)^{2}} + \frac{3}{\left(x^{2} + 1\right)^{2}} - \frac{15 \operatorname{atan}{\left(x \right)}}{8 x^{3}} + \frac{9}{4 x^{2} \left(x^{2} + 1\right)}}{\sqrt{x}}$$