r•n ds where (@) S is the sphere of radius 2 with center at (0,0,0), (b) S is the surface of S 54. Evaluate the cube bounded by x--1, y=-1, z =-1, x=1, y=1, z =1, (c) S is the surface bounded by the paraboloid 2 = 4-(2 +y?) and the xy plane. Ans. (a) 327 (b) 24 (c) 24I

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