If x-Acos 4t -Bsin 4t then d 2 x - dt 2 is equal to-

The correct option is A 16x x=Acos 4t+Bsin 4t ..(1) ⇒dxdt= 4Asin 4t+4Bcos 4t ∴d^2xdt^2= 16Acos4t 16Bsin4t= 16x use (1) ...

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Higher Order Derivatives

If x=Acos 4...

Question

If $x = A cos 4 t + B sin 4 t$ then $\frac{d^{2} x}{{d t}^{2}}$ is equal to:

-16x

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16x

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-x

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