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| cosh(2) sinh(2)
| x*sinh(2*x) dx = ------- - -------
| 2 4
/
0
$${{e^ {- 2 }\,\left(4\,e^2\,\sinh 2-e^4+5\right)}\over{8}}$$
Ответ (Неопределённый)
[src] /
| sinh(2*x) x*cosh(2*x)
| x*sinh(2*x) dx = C - --------- + -----------
| 4 2
/
$${{x^2\,\sinh \left(2\,x\right)}\over{2}}-{{{{\left(2\,x^2-2\,x+1
\right)\,e^{2\,x}}\over{4}}-{{\left(2\,x^2+2\,x+1\right)\,e^ {- 2\,x
}}\over{4}}}\over{2}}$$