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