The first derivative
[src]
2
x *cosh(x)
2*x*log(sinh(x)) + ----------
sinh(x)
$$\frac{x^{2} \cosh{\left(x \right)}}{\sinh{\left(x \right)}} + 2 x \log{\left(\sinh{\left(x \right)} \right)}$$
The second derivative
[src]
/ 2 \
2 | cosh (x)| 4*x*cosh(x)
2*log(sinh(x)) + x *|1 - --------| + -----------
| 2 | sinh(x)
\ sinh (x)/
$$x^{2} \cdot \left(1 - \frac{\cosh^{2}{\left(x \right)}}{\sinh^{2}{\left(x \right)}}\right) + \frac{4 x \cosh{\left(x \right)}}{\sinh{\left(x \right)}} + 2 \log{\left(\sinh{\left(x \right)} \right)}$$
The third derivative
[src]
/ / 2 \ \
| 2 | cosh (x)| |
| x *|1 - --------|*cosh(x)|
| / 2 \ | 2 | |
| | cosh (x)| 3*cosh(x) \ sinh (x)/ |
2*|3*x*|1 - --------| + --------- - -------------------------|
| | 2 | sinh(x) sinh(x) |
\ \ sinh (x)/ /
$$2 \left(- \frac{x^{2} \cdot \left(1 - \frac{\cosh^{2}{\left(x \right)}}{\sinh^{2}{\left(x \right)}}\right) \cosh{\left(x \right)}}{\sinh{\left(x \right)}} + 3 x \left(1 - \frac{\cosh^{2}{\left(x \right)}}{\sinh^{2}{\left(x \right)}}\right) + \frac{3 \cosh{\left(x \right)}}{\sinh{\left(x \right)}}\right)$$