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If y= sqrt(x-1) +sqrt( x+1) ,then (dy)/...

If ` y= sqrt(x-1) +sqrt( x+1) ,then (dy)/(dx) `

A

` (2y )/( sqrt(x^(2)- 1)) `

B

` (-2y )/( sqrt(x^(2)- 1)) `

C

` (y )/( 2sqrt(x^(2)- 1)) `

D

` (-y )/( 2sqrt(x^(2)- 1)) `

Text Solution

Verified by Experts

The correct Answer is:
C
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