Campo vectorial
Instructions:
Campo vectorial F(x,y,z)=<y^2, x^2e^2, cos xy>
Rot F = i j k
d/dx d/dy d/dz
y^2 x^2e^2 cos xy
Rot F=(-y sen xy, -(-xsen xy), 2xe^2-2y) = (-y sen xy, x sen xy, 2(xe^2-y)
Div= (d/dx, d/dy, d/dz) * (y^2, x^2e^2, cos xy) = 0+0+0= 0