Problem 9 (Haberman 2.5.3) Solve Laplace's equation (in polar coordinates, see Assignment 2 Problem 5(b)) for an equilibrium temperature distribution w = w(r, 0) outside the disk B.(0) = {(x, y) : x2 +y? a}. CT subject to the boundary condition w(a, 0) = In 2 + 4 cos 30