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