The first derivative
[src]
-2*acot(x)
----------
2
1 + x
$$- \frac{2 \operatorname{acot}{\left(x \right)}}{x^{2} + 1}$$
The second derivative
[src]
2*(1 + 2*x*acot(x))
-------------------
2
/ 2\
\1 + x /
$$\frac{2 \cdot \left(2 x \operatorname{acot}{\left(x \right)} + 1\right)}{\left(x^{2} + 1\right)^{2}}$$
The third derivative
[src]
/ 2 \
| 3*x 4*x *acot(x) |
4*|- ------ - ------------ + acot(x)|
| 2 2 |
\ 1 + x 1 + x /
-------------------------------------
2
/ 2\
\1 + x /
$$\frac{4 \left(- \frac{4 x^{2} \operatorname{acot}{\left(x \right)}}{x^{2} + 1} - \frac{3 x}{x^{2} + 1} + \operatorname{acot}{\left(x \right)}\right)}{\left(x^{2} + 1\right)^{2}}$$