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