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If y = 5 cos x-3 sin x, prove that (d^2y...

If `y = 5 cos x-3 sin x`, prove that `(d^2y)/(dx^2)+y=0`

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To prove that \(\frac{d^2y}{dx^2} + y = 0\) for the function \(y = 5 \cos x - 3 \sin x\), we will follow these steps: ### Step 1: Differentiate \(y\) to find \(\frac{dy}{dx}\) Given: \[ y = 5 \cos x - 3 \sin x \] ...
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