-acot(x)
-acot(x) 2*(x - 4)*e
2*e + -------------------
2
1 + x
$$\frac{2 \left(x - 4\right) e^{- \operatorname{acot}{\left(x \right)}}}{x^{2} + 1} + 2 e^{- \operatorname{acot}{\left(x \right)}}$$
/ (-1 + 2*x)*(-4 + x)\ -acot(x)
2*|2 - -------------------|*e
| 2 |
\ 1 + x /
-------------------------------------
2
1 + x
$$\frac{2 \left(- \frac{\left(x - 4\right) \left(2 x - 1\right)}{x^{2} + 1} + 2\right) e^{- \operatorname{acot}{\left(x \right)}}}{x^{2} + 1}$$
/ / 2 \\
| | 1 6*x 8*x || -acot(x)
2*|3 - 6*x + (-4 + x)*|-2 + ------ - ------ + ------||*e
| | 2 2 2||
\ \ 1 + x 1 + x 1 + x //
----------------------------------------------------------------
2
/ 2\
\1 + x /
$$\frac{2 \left(- 6 x + \left(x - 4\right) \left(\frac{8 x^{2}}{x^{2} + 1} - \frac{6 x}{x^{2} + 1} - 2 + \frac{1}{x^{2} + 1}\right) + 3\right) e^{- \operatorname{acot}{\left(x \right)}}}{\left(x^{2} + 1\right)^{2}}$$