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If y =1/sqrt(3x^(2) - 2x-1) then (dy)/(d...

If `y =1/sqrt(3x^(2) - 2x-1)` then `(dy)/(dx)` =?

A

`-2/3(3x-2) (3x^(2) -2x-1)^(-3/2)`

B

`-3/2(3x-2)(3x^(2)-2x -1)^(-3/2)`

C

`(3x-1)(3x^(2) -2x-1)^(-3/2)`

D

`-(3x-1)(3x^(2) -2x-1)^(-3/2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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