(40 points) Solve the problem PDE: Utt = 36uxx, 0 < x < 1, t> 0 BC: u(0, t) = u(1, t) = 0 IC: u(x,0) = 3 sin(20x), uf(x,0) = 8 sin(32x) u(x, t) = help (formulas)
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