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If y=5" cos"x-3" sin"x, prove that (d^(2...

If `y=5" cos"x-3" sin"x`, prove that `(d^(2)y)/(dx^(2))+y=0.`

A

` -y`

B

` y`

C

` 5y `

D

` -3y`

Text Solution

Verified by Experts

The correct Answer is:
A
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