use the method of separation of variables to solve the following nonhomogeneous initial-Neumann problem:

Hint: write the candidate solution as ?are the eigenfunctionsof the eigenvalue problem associated with the homogeneous equation.

0 < x < L,t > 0 0 < x < L Urr = tx u(x, 0 = 1) Uz (0, t) = u(L, t) = 0 t >0