1 2*acot(x)
- ----------- - ---------
2 / 2\ 3
x *\1 + x / x
$$- \frac{1}{x^{2} \left(x^{2} + 1\right)} - \frac{2}{x^{3}} \operatorname{acot}{\left (x \right )}$$
/ 1 2 3*acot(x)\
2*|--------- + ----------- + ---------|
| 2 2 / 2\ 3 |
|/ 2\ x *\1 + x / x |
\\1 + x / /
---------------------------------------
x
$$\frac{1}{x} \left(\frac{2}{\left(x^{2} + 1\right)^{2}} + \frac{4}{x^{2} \left(x^{2} + 1\right)} + \frac{6}{x^{3}} \operatorname{acot}{\left (x \right )}\right)$$
/ 4 5 9 12*acot(x)\
-2*|--------- + ------------ + ----------- + ----------|
| 3 2 4 / 2\ 5 |
|/ 2\ 2 / 2\ x *\1 + x / x |
\\1 + x / x *\1 + x / /
$$- 2 \left(\frac{4}{\left(x^{2} + 1\right)^{3}} + \frac{5}{x^{2} \left(x^{2} + 1\right)^{2}} + \frac{9}{x^{4} \left(x^{2} + 1\right)} + \frac{12}{x^{5}} \operatorname{acot}{\left (x \right )}\right)$$