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If y=Acosnx+Bsinnx, then y(2)+n^(2)y is ...

If `y=Acosnx+Bsinnx`, then `y_(2)+n^(2)y` is equal to

A

`0`

B

`1`

C

`y`

D

`-1`

Text Solution

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The correct Answer is:
A
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