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If y =(1)/(3sqrt (cos ec x+ cot x ) ),t...

` If y =(1)/(3sqrt (cos ec x+ cot x ) ),then (dy)/(dx) =`

A

` (4cosec x )/( 3sqrt (cos ecx +cot x ) ) `

B

` (-4cosec x )/( 3sqrt (cos ecx +cot x ) ) `

C

`1/3 (cosec x )/( 3sqrt (cos ecx +cot x ) ) `

D

` (-cosec x )/( 3sqrt (cos ecx +cot x ) ) `

Text Solution

Verified by Experts

The correct Answer is:
C
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