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