/ 2\
\3 /
9*(sinh(x)) *cosh(x)
-----------------------
sinh(x)
$$\frac{9 \sinh^{3^{2}}{\left(x \right)} \cosh{\left(x \right)}}{\sinh{\left(x \right)}}$$
7 / 2 2 \
9*sinh (x)*\sinh (x) + 8*cosh (x)/
$$9 \left(\sinh^{2}{\left(x \right)} + 8 \cosh^{2}{\left(x \right)}\right) \sinh^{7}{\left(x \right)}$$
6 / 2 2 \
9*sinh (x)*\25*sinh (x) + 56*cosh (x)/*cosh(x)
$$9 \cdot \left(25 \sinh^{2}{\left(x \right)} + 56 \cosh^{2}{\left(x \right)}\right) \sinh^{6}{\left(x \right)} \cosh{\left(x \right)}$$