- #1
Renzokuken
- 14
- 0
1. Integrate f(x,y)=x+y
1<=x^2+y^2<=4, x>=0, y>=0
3. ∬x+y dxdy x=rcos(o) y=rsin(o)
∬r(rcos(o)+rsin(o))drdo
r is from 1 to 4, o is from 0 to pi/2
I get the wrong answer and don't know why
1<=x^2+y^2<=4, x>=0, y>=0
3. ∬x+y dxdy x=rcos(o) y=rsin(o)
∬r(rcos(o)+rsin(o))drdo
r is from 1 to 4, o is from 0 to pi/2
I get the wrong answer and don't know why