/ 2 \
| 2 2 sinh (x) 2*cosh(x)*sinh(x)|
2*|cosh (x) + sinh (x) + -------- - -----------------|
| 2 x |
\ x /
------------------------------------------------------
x
$$\frac{1}{x} \left(2 \sinh^{2}{\left (x \right )} + 2 \cosh^{2}{\left (x \right )} - \frac{4}{x} \sinh{\left (x \right )} \cosh{\left (x \right )} + \frac{2}{x^{2}} \sinh^{2}{\left (x \right )}\right)$$
/ 2 2 2 \
| 3*cosh (x) 3*sinh (x) 3*sinh (x) 6*cosh(x)*sinh(x)|
2*|- ---------- - ---------- - ---------- + 4*cosh(x)*sinh(x) + -----------------|
| x x 3 2 |
\ x x /
----------------------------------------------------------------------------------
x
$$\frac{1}{x} \left(8 \sinh{\left (x \right )} \cosh{\left (x \right )} - \frac{6}{x} \sinh^{2}{\left (x \right )} - \frac{6}{x} \cosh^{2}{\left (x \right )} + \frac{12}{x^{2}} \sinh{\left (x \right )} \cosh{\left (x \right )} - \frac{6}{x^{3}} \sinh^{2}{\left (x \right )}\right)$$