1 x
-------------------- - -------------------------
_______________ / 2\
/ / x \ | x | 3/2/ x \
/ 2*atan|-----| 4*|1 + --|*atan |-----|
/ | ___| \ 2 / | ___|
\/ \\/ 2 / \\/ 2 /
$$- \frac{x}{4 \left(\frac{x^{2}}{2} + 1\right) \operatorname{atan}^{\frac{3}{2}}{\left(\frac{x}{\sqrt{2}} \right)}} + \frac{1}{\sqrt{2 \operatorname{atan}{\left(\frac{x}{\sqrt{2}} \right)}}}$$
/ ___ \
| 3*\/ 2 |
x*|4*x + -------------|
| / ___\|
| |x*\/ 2 ||
| atan|-------||
\ \ 2 //
-4 + -----------------------
2
2 + x
----------------------------
/ ___\
/ 2\ 3/2|x*\/ 2 |
4*\2 + x /*atan |-------|
\ 2 /
$$\frac{\frac{x \left(4 x + \frac{3 \sqrt{2}}{\operatorname{atan}{\left(\frac{\sqrt{2} x}{2} \right)}}\right)}{x^{2} + 2} - 4}{4 \left(x^{2} + 2\right) \operatorname{atan}^{\frac{3}{2}}{\left(\frac{\sqrt{2} x}{2} \right)}}$$
/ 2 ___ \ ___
| 15 16*x 18*x*\/ 2 | 9*\/ 2
12*x - x*|-4 + ----------------------- + ------ + ----------------------| + -------------
| / ___\ 2 / ___\| / ___\
| / 2\ 2|x*\/ 2 | 2 + x / 2\ |x*\/ 2 || |x*\/ 2 |
| \2 + x /*atan |-------| \2 + x /*atan|-------|| atan|-------|
\ \ 2 / \ 2 // \ 2 /
-----------------------------------------------------------------------------------------
2 / ___\
/ 2\ 3/2|x*\/ 2 |
4*\2 + x / *atan |-------|
\ 2 /
$$\frac{- x \left(\frac{16 x^{2}}{x^{2} + 2} + \frac{18 \sqrt{2} x}{\left(x^{2} + 2\right) \operatorname{atan}{\left(\frac{\sqrt{2} x}{2} \right)}} - 4 + \frac{15}{\left(x^{2} + 2\right) \operatorname{atan}^{2}{\left(\frac{\sqrt{2} x}{2} \right)}}\right) + 12 x + \frac{9 \sqrt{2}}{\operatorname{atan}{\left(\frac{\sqrt{2} x}{2} \right)}}}{4 \left(x^{2} + 2\right)^{2} \operatorname{atan}^{\frac{3}{2}}{\left(\frac{\sqrt{2} x}{2} \right)}}$$