Let S be the upper half of the unit sphere x +y +=1 and take n as the upper unit normal. Use Stokes' theorem to find / (V x v) n] dơ given that v(x. y, 2) = 32'i +3xj-3y'k. X v) a) -3x b) 3x c) 2 d) 6x e) 9x None of these.

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