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