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Mathematics, 23.01.2020 21:31 berniceallonce22

Determine whether the given function is a solution to the given differential equation.
1. x = 2 cos t - 3 sin t, x" + x = 0
2. y = sin x + x^2, d^2y/dx^2 + y = x^2 + 2
3. x = cos 2t, dx/dt + tx = sin 2t

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Determine whether the given function is a solution to the given differential equation.
1. x =...
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