/ / 2/ ___\\ 2/ ___\ / ___\\
/ 2/ ___\\ | 3 2*\-1 + tanh \\/ x // 4*tanh \\/ x / 6*tanh\\/ x /|
-\-1 + tanh \\/ x //*|---- + --------------------- + -------------- + -------------|
| 5/2 3/2 3/2 2 |
\x x x x /
-------------------------------------------------------------------------------------
8
$$- \frac{\left(\tanh^{2}{\left(\sqrt{x} \right)} - 1\right) \left(\frac{6 \tanh{\left(\sqrt{x} \right)}}{x^{2}} + \frac{2 \left(\tanh^{2}{\left(\sqrt{x} \right)} - 1\right)}{x^{\frac{3}{2}}} + \frac{4 \tanh^{2}{\left(\sqrt{x} \right)}}{x^{\frac{3}{2}}} + \frac{3}{x^{\frac{5}{2}}}\right)}{8}$$