Example (2) Show that the solution (if exists) is unique (X, Y, Z)ED, OctCT Ut= kauth u=f (Dirichlet) on aD, OctCT M(x,y,z,0)= g(x, y, z). D. on I u (X, Y, Z, 0) = g(x, y, z). (ko). Example (2) Show that the solution (if exists) is unique (X, Y, Z)ED, OctCT Ut= kauth u=f (Dirichlet) on aD, OctCT M(x,y,z,0)= g(x, y, z). D. on I u (X, Y, Z, 0) = g(x, y, z). (ko)