12 d*x(t) 5 dt3 d²x(t) dt² + 5x(t) = 3cos(2t) d²x(0) 2, dt2 dx(0) 1, dt x(0) = 1 3s2 + 5s + 1 X(s) : (s² + 15s + 34) 2 y(t) = 5e-5t

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Q: y" – 2y – 2y = 0

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