Given the array: evaluate the integral of f * n da directly or if possible by the divergence theorem if f = [y2, x2, z2], s the surface x2 y2 <=4, 0<=z<=7.

a) Evaluate the integral of f * n da directly
b) Evaluate the integral of f * n da using the divergence theorem
c) Evaluate the integral of f * n da using the surface area of s
d) None of the above