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Solve
x¨ + x = sin3t, x(0) = 0, x˙(0) = 1.
[Hint: you may ﬁnd it helpful to write sin3x = a sin x + b sin 3x and solve for a and b.
 one year ago
 one year ago
Solve x¨ + x = sin3t, x(0) = 0, x˙(0) = 1. [Hint: you may ﬁnd it helpful to write sin3x = a sin x + b sin 3x and solve for a and b.
 one year ago
 one year ago

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