2
1 tanh (x)
- - --------
2 2
------------
_________
\/ tanh(x)
$$\frac{- \frac{\tanh^{2}{\left(x \right)}}{2} + \frac{1}{2}}{\sqrt{\tanh{\left(x \right)}}}$$
/ 2 \ / 2 \
| 1 tanh (x)| | _________ -1 + tanh (x)|
|- - + --------|*|4*\/ tanh(x) - -------------|
\ 4 4 / | 3/2 |
\ tanh (x) /
$$\left(4 \sqrt{\tanh{\left(x \right)}} - \frac{\tanh^{2}{\left(x \right)} - 1}{\tanh^{\frac{3}{2}}{\left(x \right)}}\right) \left(\frac{\tanh^{2}{\left(x \right)}}{4} - \frac{1}{4}\right)$$
/ 2 \
/ 2 \ | / 2 \ / 2 \|
| 1 tanh (x)| | 3/2 3*\-1 + tanh (x)/ 4*\-1 + tanh (x)/|
|- - + --------|*|- 16*tanh (x) - ------------------ + -----------------|
\ 8 8 / | 5/2 _________ |
\ tanh (x) \/ tanh(x) /
$$\left(\frac{\tanh^{2}{\left(x \right)}}{8} - \frac{1}{8}\right) \left(- 16 \tanh^{\frac{3}{2}}{\left(x \right)} + \frac{4 \left(\tanh^{2}{\left(x \right)} - 1\right)}{\sqrt{\tanh{\left(x \right)}}} - \frac{3 \left(\tanh^{2}{\left(x \right)} - 1\right)^{2}}{\tanh^{\frac{5}{2}}{\left(x \right)}}\right)$$