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