Let A = xy^2 + 2xz^2 - ya. Evaluate âˆAdv over a rectangular region 0 ≤ x ≤ 10, 0 ≤ y ≤ 5, 0 ≤ z ≤ 10. (b) Evaluate âˆAdv over a cylindrical region 0 ≤ z ≤ 10, 0 ≤ r ≤ 5. (c) Evaluate âˆAdv over a spherical region 0 ≤ r ≤ 10.