hann4299 hann4299 22-06-2024 Mathematics Answered (a) Find a formal solution of the problemutt = u×00,U (0,t)=u(π,t)=0t≥0,U(x, 0) =sin3x0 ≤ x ≤π,ut (x,0)=sin2x0 ≤ x ≤π.(b) Show that the above solution is classical.