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