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