Let E be the solid ball of radius 4 centered on the origin of R^(3) and let F = (x + z)i - (y - z)j + (y - x)k.
(a) Parameterize S, the boundary of E, using spherical coordinates r(φ, θ) so that the induced orientation is outward.
r(φ, θ) =
(b) Compute F(r(φ, θ)) * (rφ(φ, θ) × rθ(φ, θ)).
F(r(φ, θ)) * (rφ(φ, θ) × rθ(φ, θ)) =
(c) Compute ∫_(φ1)^(φ2) F(r(φ, θ)) * (rφ(φ, θ) × rθ(φ, θ))dφ, where φ1 is the lower bound of φ and φ2 is the upper bound of φ.
(d) Compute the flux of F across S.
(e) Compute div(F).
div(F) =
(f) Write the integral ∭_(E)div(F)dV in spherical coordinates, ∭_(E_spherical)f(ρ, φ, θ)dρdφdθ.
∭_0^4∭_0^π∭_0^(2π)f(ρ, φ, θ)dρdφdθ
Evaluate the integral.