Solve the following Vector Calculus problem.

In the following exercises, the boundaries of the solid E are given in cylindrical coordinates. a. Express the region E in cylindrical coordinates. b. Convert the integral ,3? fix. 3?. Eli?\" to E cylindrical coordinates. 252. E is located in the first octant outside the circular paraboloid z = 10-2- and inside the cylinder r = 15 and is bounded also by the planes z = 20 and d = 4 In the following exercises, the function of and region E are given. a. Express the region E and the function f in cylindrical coordinates. b. Convert the integral [I f(x, y, z)dV into B cylindrical coordinates and evaluate it