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