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