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The differential equation representing t...

The differential equation representing the family of curves `y=A cos (x+B)`, where A and B are parameters, is

A

`(d^(2)y)/(dx^(2)) - y = 0 `

B

`(d^(2)y)/(dx^(2))` + y = 0

C

`(d^(2)y)/(dx^(2)) = 0 `

D

`(d^(2)x)/(dy^(2)) = 0 `

Text Solution

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The correct Answer is:
B, D
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