Is 3. [3 marks] Use Gauss Divergence theorem to calculate S (5xi + ay 3 – 23 k).n dA over the sphere S: 1+ y + x2 = 9. splats J = ?? It-t? Lose - 2. [6 marks] Calculate the surface integral || G(r)da, where G = (1212 + 36)/2, the suru loob the parametrization r(u, v) = (3u, 2v, u), and 0 su 1, 0 Sv < 2.