Question: (Please help) Help with a partial differential equation problem

Does anyone know how to go about attempting this problem with Maple10 ? The question is the last line in bold type, and I tried to include as much relevant information as possible. To correct an error the second partial derivative should be with respect to time "t", not displacement z. so it should be (1/v)*(d^2/dt^2)f(z,t). sorry about the mistake. thx, Dan View 285_problem9.4Emag.mw on MapleNET or Download 285_problem9.4Emag.mw
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