Use the divergence theorem to calculate the surface integral
S
F · dS;
that is, calculate the flux of F across S.
F(x, y, z) = (2x3 + y3) i + (y3 + z3) j + 3y2z k,
S is the surface of the solid bounded by the paraboloid
z = 1 − x2 − y2
and the xy-plane