3. Consider the surface integral / (Vx F)-n dS, where F = (0, 0, zyz) and S is that portion %3D of the paraboloid z = 1- r - y for z 20 oriented upward. Sketch the surface neatly and do the following. (a) Evaluate the surface integral. [Do NOT use Stokes' theorem. Vg (V /x F)(z,v.f(x, 9)) · V1+ (f.) + (f)? dzdy = (V x (b) Evaluate the surface integral in a simpler surface z + y? < 1, z = 0, oriented upward. This surface has the same boundary as the given paraboloid. %3D

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