/ 2 \ 2
\2 - 2*tanh (x + 1)/*tanh(x + 1) - 2*sech (x + 1)*tanh(x + 1)
$$\left(2 - 2 \tanh^{2}{\left(x + 1 \right)}\right) \tanh{\left(x + 1 \right)} - 2 \tanh{\left(x + 1 \right)} \operatorname{sech}^{2}{\left(x + 1 \right)}$$
/ 2 \
|/ 2 \ 2 / 2 \ 2 2 2 / 2 \|
2*\\-1 + tanh (1 + x)/ + sech (1 + x)*\-1 + tanh (1 + x)/ + 2*sech (1 + x)*tanh (1 + x) + 2*tanh (1 + x)*\-1 + tanh (1 + x)//
$$2 \left(\left(\tanh^{2}{\left(x + 1 \right)} - 1\right)^{2} + 2 \left(\tanh^{2}{\left(x + 1 \right)} - 1\right) \tanh^{2}{\left(x + 1 \right)} + \left(\tanh^{2}{\left(x + 1 \right)} - 1\right) \operatorname{sech}^{2}{\left(x + 1 \right)} + 2 \tanh^{2}{\left(x + 1 \right)} \operatorname{sech}^{2}{\left(x + 1 \right)}\right)$$
/ 2 \
| / 2 \ 2 2 2 / 2 \ 2 / 2 \|
-8*\2*\-1 + tanh (1 + x)/ + sech (1 + x)*tanh (1 + x) + tanh (1 + x)*\-1 + tanh (1 + x)/ + 2*sech (1 + x)*\-1 + tanh (1 + x)//*tanh(1 + x)
$$- 8 \left(2 \left(\tanh^{2}{\left(x + 1 \right)} - 1\right)^{2} + \left(\tanh^{2}{\left(x + 1 \right)} - 1\right) \tanh^{2}{\left(x + 1 \right)} + 2 \left(\tanh^{2}{\left(x + 1 \right)} - 1\right) \operatorname{sech}^{2}{\left(x + 1 \right)} + \tanh^{2}{\left(x + 1 \right)} \operatorname{sech}^{2}{\left(x + 1 \right)}\right) \tanh{\left(x + 1 \right)}$$