/ 2*x x \
2 | 2*e 2*e | x
pi *|-1 + -------- + -------------------|*e
| 2*x / 2*x\ / x\|
\ 1 + e \1 + e /*atan\E //
--------------------------------------------
/ 2*x\ 2/ x\
\1 + e /*atan \E /
$$\frac{\pi^{2} \left(-1 + \frac{2 e^{2 x}}{e^{2 x} + 1} + \frac{2 e^{x}}{\left(e^{2 x} + 1\right) \operatorname{atan}{\left(e^{x} \right)}}\right) e^{x}}{\left(e^{2 x} + 1\right) \operatorname{atan}^{2}{\left(e^{x} \right)}}$$
/ 2*x 4*x x 2*x 3*x \
2 | 8*e 8*e 6*e 6*e 12*e | x
-pi *|1 - -------- + ----------- - ------------------- + --------------------- + --------------------|*e
| 2*x 2 / 2*x\ / x\ 2 2 |
| 1 + e / 2*x\ \1 + e /*atan\E / / 2*x\ 2/ x\ / 2*x\ / x\|
\ \1 + e / \1 + e / *atan \E / \1 + e / *atan\E //
----------------------------------------------------------------------------------------------------------
/ 2*x\ 2/ x\
\1 + e /*atan \E /
$$- \frac{\pi^{2} \left(1 - \frac{8 e^{2 x}}{e^{2 x} + 1} - \frac{6 e^{x}}{\left(e^{2 x} + 1\right) \operatorname{atan}{\left(e^{x} \right)}} + \frac{8 e^{4 x}}{\left(e^{2 x} + 1\right)^{2}} + \frac{12 e^{3 x}}{\left(e^{2 x} + 1\right)^{2} \operatorname{atan}{\left(e^{x} \right)}} + \frac{6 e^{2 x}}{\left(e^{2 x} + 1\right)^{2} \operatorname{atan}^{2}{\left(e^{x} \right)}}\right) e^{x}}{\left(e^{2 x} + 1\right) \operatorname{atan}^{2}{\left(e^{x} \right)}}$$