x
2*e
--------------------------------
__________
/ 2*x / x\ 2/ x\
\/ 1 - e *acos\e /*acos \e /
$$\frac{2 e^{x}}{\sqrt{- e^{2 x} + 1} \operatorname{acos}{\left(e^{x} \right)} \operatorname{acos}^{2}{\left(e^{x} \right)}}$$
/ 2*x x \
| 1 e 3*e | x
2*|------------- + ------------- - --------------------|*e
| __________ 3/2 / 2*x\ / x\|
| / 2*x / 2*x\ \-1 + e /*acos\e /|
\\/ 1 - e \1 - e / /
-----------------------------------------------------------
3/ x\
acos \e /
$$\frac{2 \left(- \frac{3 e^{x}}{\left(e^{2 x} - 1\right) \operatorname{acos}{\left(e^{x} \right)}} + \frac{1}{\sqrt{- e^{2 x} + 1}} + \frac{e^{2 x}}{\left(- e^{2 x} + 1\right)^{\frac{3}{2}}}\right) e^{x}}{\operatorname{acos}^{3}{\left(e^{x} \right)}}$$
/ 4*x 2*x x 3*x 2*x \
| 1 3*e 4*e 9*e 9*e 12*e | x
2*|------------- + ------------- + ------------- - -------------------- + --------------------- + -----------------------|*e
| __________ 5/2 3/2 / 2*x\ / x\ 2 3/2 |
| / 2*x / 2*x\ / 2*x\ \-1 + e /*acos\e / / 2*x\ / x\ / 2*x\ 2/ x\|
\\/ 1 - e \1 - e / \1 - e / \-1 + e / *acos\e / \1 - e / *acos \e //
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3/ x\
acos \e /
$$\frac{2 \left(\frac{9 e^{3 x}}{\left(e^{2 x} - 1\right)^{2} \operatorname{acos}{\left(e^{x} \right)}} - \frac{9 e^{x}}{\left(e^{2 x} - 1\right) \operatorname{acos}{\left(e^{x} \right)}} + \frac{1}{\sqrt{- e^{2 x} + 1}} + \frac{4 e^{2 x}}{\left(- e^{2 x} + 1\right)^{\frac{3}{2}}} + \frac{3 e^{4 x}}{\left(- e^{2 x} + 1\right)^{\frac{5}{2}}} + \frac{12 e^{2 x}}{\left(- e^{2 x} + 1\right)^{\frac{3}{2}} \operatorname{acos}^{2}{\left(e^{x} \right)}}\right) e^{x}}{\operatorname{acos}^{3}{\left(e^{x} \right)}}$$