1
/
|
| x*cos(x)*x dx = -sin(1) + 2*cos(1)
|
/
0
$$\int_{0}^{1} x x \cos{\left (x \right )}\, dx = - \sin{\left (1 \right )} + 2 \cos{\left (1 \right )}$$
Ответ (Неопределённый)
[src] /
| 2
| x*cos(x)*x dx = C - 2*sin(x) + x *sin(x) + 2*x*cos(x)
|
/
$$\left(x^2-2\right)\,\sin x+2\,x\,\cos x$$