/ 1 \
| x - ------- |
| acot(x) 2*x |
2*|1 - ---------------- + ----------------|
| / 2\ / 2\ |
\ \1 + x /*acot(x) \1 + x /*acot(x)/
-------------------------------------------
acot(x)
$$\frac{2 \left(\frac{2 x}{\left(x^{2} + 1\right) \operatorname{acot}{\left(x \right)}} - \frac{x - \frac{1}{\operatorname{acot}{\left(x \right)}}}{\left(x^{2} + 1\right) \operatorname{acot}{\left(x \right)}} + 1\right)}{\operatorname{acot}{\left(x \right)}}$$
/ / 1 \\
| 2 6*x*|x - -------||
| 3 4*x 6*x \ acot(x)/|
2*|2 + ----------------- + ------ - ---------------- - -----------------|
| / 2\ 2 2 / 2\ 2 |
\ \1 + x /*acot (x) 1 + x \1 + x /*acot(x) 1 + x /
-------------------------------------------------------------------------
/ 2\ 2
\1 + x /*acot (x)
$$\frac{2 \left(\frac{4 x^{2}}{x^{2} + 1} - \frac{6 x \left(x - \frac{1}{\operatorname{acot}{\left(x \right)}}\right)}{x^{2} + 1} - \frac{6 x}{\left(x^{2} + 1\right) \operatorname{acot}{\left(x \right)}} + 2 + \frac{3}{\left(x^{2} + 1\right) \operatorname{acot}^{2}{\left(x \right)}}\right)}{\left(x^{2} + 1\right) \operatorname{acot}^{2}{\left(x \right)}}$$