Solve the wave equation, a². u(x, t)=0 a²u Jx2 = u(0, t) = 0, u(x, t) = 0, u(x, 0) = 0.01 sin(9x), + อริน at² 0 0 (see (1) in Section 12.4) subject to the given conditions. t> 0 ди = 0, 0 < x < I at t = 0 √3 COS 2 n=1 ( +1 cos(ant)sin(x) ) x PREVIOUS ANSWERS

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