5
-----------------
/ 2\ 6
\1 + x /*acot (x)
$$\frac{5}{\left(x^{2} + 1\right) \operatorname{acot}^{6}{\left(x \right)}}$$
/ 3 \
10*|-x + -------|
\ acot(x)/
------------------
2
/ 2\ 6
\1 + x / *acot (x)
$$\frac{10 \left(- x + \frac{3}{\operatorname{acot}{\left(x \right)}}\right)}{\left(x^{2} + 1\right)^{2} \operatorname{acot}^{6}{\left(x \right)}}$$
/ 2 \
| 4*x 21 18*x |
10*|-1 + ------ + ----------------- - ----------------|
| 2 / 2\ 2 / 2\ |
\ 1 + x \1 + x /*acot (x) \1 + x /*acot(x)/
-------------------------------------------------------
2
/ 2\ 6
\1 + x / *acot (x)
$$\frac{10 \cdot \left(\frac{4 x^{2}}{x^{2} + 1} - 1 - \frac{18 x}{\left(x^{2} + 1\right) \operatorname{acot}{\left(x \right)}} + \frac{21}{\left(x^{2} + 1\right) \operatorname{acot}^{2}{\left(x \right)}}\right)}{\left(x^{2} + 1\right)^{2} \operatorname{acot}^{6}{\left(x \right)}}$$