Let F (x, y, z) = 3yi-xzj + yzk, S is the boundary of the solid Q, which is shown in the figure and N is a normal vector outside Q. a) Calculate ∫ ∫ s F ∙ N dS without using the divergence theorem. b) Calculate ∫ ∫ s F ∙ N dS using the divergence theorem

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