acot(x)
-7*e
-----------
2
1 + x
$$- \frac{7 e^{\operatorname{acot}{\left (x \right )}}}{x^{2} + 1}$$
acot(x)
7*(1 + 2*x)*e
--------------------
2
/ 2\
\1 + x /
$$\frac{7 e^{\operatorname{acot}{\left (x \right )}}}{\left(x^{2} + 1\right)^{2}} \left(2 x + 1\right)$$
/ 2 \
| 1 8*x 6*x | acot(x)
7*|2 - ------ - ------ - ------|*e
| 2 2 2|
\ 1 + x 1 + x 1 + x /
-----------------------------------------
2
/ 2\
\1 + x /
$$\frac{7 e^{\operatorname{acot}{\left (x \right )}}}{\left(x^{2} + 1\right)^{2}} \left(- \frac{8 x^{2}}{x^{2} + 1} - \frac{6 x}{x^{2} + 1} + 2 - \frac{1}{x^{2} + 1}\right)$$