What is the result of ∇⋅(fF)\nabla \cdot (f\mathbf{F})∇⋅(fF) given F=⟨1,1,1⟩\mathbf{F} = \langle 1, 1, 1 \rangleF=⟨1,1,1⟩ and f(x,y,z)=x+y+zf(x,y,z) = x+y+zf(x,y,z)=x+y+z?
x+y+zx+y+zx+y+z
333
111
000