x x -x
-x / ____\ - - ---
/ ____\ --- x | / x | 2 2 2
| / x | 2 e atan\\/ E /*e e *e
1 + atan\\/ E /*e - ------ - ---------------- - -------
x x x
1 + E 1 + E 1 + E
$$1 + e^{- \frac{x}{2}} \operatorname{atan}{\left(\sqrt{e^{x}} \right)} - \frac{e^{\frac{x}{2}} \operatorname{atan}{\left(\sqrt{e^{x}} \right)}}{e^{x} + 1} - \frac{e^{x}}{e^{x} + 1} - \frac{e^{- \frac{x}{2}} e^{\frac{x}{2}}}{e^{x} + 1}$$
-x 3*x x
/ ____\ --- / ____\ --- / ____\ -
2*x x x | / x | 2 | / x | 2 | / x | 2
1 e e e atan\\/ E /*e atan\\/ E /*e atan\\/ E /*e
---------- + --------- + ----------- - ------ - ------------------ + ------------------ - ----------------
/ x\ 2 2 x 2 2 / x\
2*\1 + e / / x\ / x\ 1 + e / x\ 2*\1 + e /
\1 + e / 2*\1 + e / \1 + e /
$$- \frac{e^{- \frac{x}{2}} \operatorname{atan}{\left(\sqrt{e^{x}} \right)}}{2} - \frac{e^{\frac{x}{2}} \operatorname{atan}{\left(\sqrt{e^{x}} \right)}}{2 \left(e^{x} + 1\right)} - \frac{e^{x}}{e^{x} + 1} + \frac{1}{2 \left(e^{x} + 1\right)} + \frac{e^{\frac{3 x}{2}} \operatorname{atan}{\left(\sqrt{e^{x}} \right)}}{\left(e^{x} + 1\right)^{2}} + \frac{e^{2 x}}{\left(e^{x} + 1\right)^{2}} + \frac{e^{x}}{2 \left(e^{x} + 1\right)^{2}}$$
-x 5*x 3*x x
/ ____\ --- / ____\ --- / ____\ --- / ____\ -
x 3*x 2*x 2*x x | / x | 2 | / x | 2 | / x | 2 | / x | 2
1 e 2*e 3*e e e atan\\/ E /*e 2*atan\\/ E /*e 2*atan\\/ E /*e atan\\/ E /*e
- ---------- - ------ - --------- + --------- - ----------- - ----------- + ------------------ - -------------------- + -------------------- - ----------------
/ x\ x 3 2 3 2 4 3 2 / x\
4*\1 + e / 1 + e / x\ / x\ / x\ / x\ / x\ / x\ 4*\1 + e /
\1 + e / \1 + e / 2*\1 + e / 4*\1 + e / \1 + e / \1 + e /
$$\frac{e^{- \frac{x}{2}} \operatorname{atan}{\left(\sqrt{e^{x}} \right)}}{4} - \frac{e^{\frac{x}{2}} \operatorname{atan}{\left(\sqrt{e^{x}} \right)}}{4 \left(e^{x} + 1\right)} - \frac{e^{x}}{e^{x} + 1} - \frac{1}{4 \left(e^{x} + 1\right)} + \frac{2 e^{\frac{3 x}{2}} \operatorname{atan}{\left(\sqrt{e^{x}} \right)}}{\left(e^{x} + 1\right)^{2}} + \frac{3 e^{2 x}}{\left(e^{x} + 1\right)^{2}} - \frac{e^{x}}{4 \left(e^{x} + 1\right)^{2}} - \frac{2 e^{\frac{5 x}{2}} \operatorname{atan}{\left(\sqrt{e^{x}} \right)}}{\left(e^{x} + 1\right)^{3}} - \frac{2 e^{3 x}}{\left(e^{x} + 1\right)^{3}} - \frac{e^{2 x}}{2 \left(e^{x} + 1\right)^{3}}$$