1. Compute for the vector field F(x,y)=(x²y - 1)i - (y²)j where C is the rectangular path beginning at (0,0), proceeding to (3,0), then (3,2), then (0,2), and finally back to (0,0).
 
 

2. If F(x,y,z) = xyz i - x²y k, compute curl F.
 
 

3. If F(x,y,z) = xyz i - x²y k, compute div F.