1
/
| 2 2
| 2 cos (1) 5*sin (1) cos(1)*sin(1)
| (x*sin(x)) dx = - ------- + --------- - -------------
| 12 12 4
/
0
$$-{{3\,\sin 2+6\,\cos 2-4}\over{24}}$$
Ответ (Неопределённый)
[src] /
| 2 2 3 2 3 2 2
| 2 x*cos (x) x*sin (x) cos(x)*sin(x) x *cos (x) x *sin (x) x *cos(x)*sin(x)
| (x*sin(x)) dx = C - --------- + --------- + ------------- + ---------- + ---------- - ----------------
| 4 4 4 6 6 2
/
$$-{{\left(6\,x^2-3\right)\,\sin \left(2\,x\right)+6\,x\,\cos \left(2
\,x\right)-4\,x^3}\over{24}}$$