Question: Solve the wave equation in two-dimensions : E1205's: + uyyl on the rectangular domain [0, l] x [I], 2] by separation of variables with

Solve the wave equation in two-dimensions " : E1205's": + uyyl on the rectangular domain [0, l] x [I], 2] by separation of variables with the boundary conditions u(;z:, U, L} = u(:z:, 2, t) = 0, u"), y, i] = u(l,y, t) = U for t > 0. Write an expression for the frequency of the normal modes. Using Maple, draw graphs of the rst six normal modes

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