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If y=A e^(-k t)cos(p t+c), then prove th...

If `y=A e^(-k t)cos(p t+c),` then prove that `(d^2y)/(dt^2)+2k(dy)/(dx)+n^2y=0` , where `n^2=p^2+k^2`

A

`p^(2)-k^(2)`

B

`p^(2)`

C

`k^(2)`

D

`p^(2)+k^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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