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If y=3x-(1)/(2)cosx," then: "(d^(2)x)/(d...

If `y=3x-(1)/(2)cosx," then: "(d^(2)x)/(dy^(2))=`

A

`(-2cosx)/((6+sinx)^(2))`

B

`(-4cosx)/((6+sinx)^(2))`

C

`(-4cosx)/((6+sinx)^(3))`

D

`(-4sinx)/((6+sinx)^(3))`

Text Solution

Verified by Experts

The correct Answer is:
C
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