7. (a) Apply the divergence theorem to evaluate
, (Fㆍn)dS where 
and S is the surface of the region bounded by the cylinder: r ≤ 5, 0≤θ ≤2π, 0≤ z≤ 4.
7. (a) Apply the divergence theorem to evaluate
, (Fㆍn)dS where 
and S is the surface of the region bounded by the cylinder: r ≤ 5, 0≤θ ≤2π, 0≤ z≤ 4.