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The differential equation of the simple ...

The differential equation of the simple harmonic motion given by `x = A cos (n t + alpha)` is

A

`d^2xdt^2 -n^2x =0`

B

`d^2xdt^2 + n^2x =0`

C

`dx/dt -d^2x/dt^2 =0`

D

`d^2x/dt^2 - dx/dt + nx =0`

Text Solution

Verified by Experts

The correct Answer is:
B
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