x x
e x 3*e
-- - ------ - ---- + acot(x)
3 2 4
x 1 + x x
$$- \frac{x}{x^{2} + 1} + \operatorname{acot}{\left(x \right)} + \frac{e^{x}}{x^{3}} - \frac{3 e^{x}}{x^{4}}$$
x x 2 x
2 e 6*e 2*x 12*e
- ------ + -- - ---- + --------- + -----
2 3 4 2 5
1 + x x x / 2\ x
\1 + x /
$$\frac{2 x^{2}}{\left(x^{2} + 1\right)^{2}} - \frac{2}{x^{2} + 1} + \frac{e^{x}}{x^{3}} - \frac{6 e^{x}}{x^{4}} + \frac{12 e^{x}}{x^{5}}$$
x x x 3 x
e 60*e 9*e 8*x 8*x 36*e
-- - ----- - ---- - --------- + --------- + -----
3 6 4 3 2 5
x x x / 2\ / 2\ x
\1 + x / \1 + x /
$$- \frac{8 x^{3}}{\left(x^{2} + 1\right)^{3}} + \frac{8 x}{\left(x^{2} + 1\right)^{2}} + \frac{e^{x}}{x^{3}} - \frac{9 e^{x}}{x^{4}} + \frac{36 e^{x}}{x^{5}} - \frac{60 e^{x}}{x^{6}}$$