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y=log[(x+sqrt(x^2+25))/(sqrt(x^2+25)-x)]...

`y=log[(x+sqrt(x^2+25))/(sqrt(x^2+25)-x)],f i n d(dy)/(dx)`

A

0

B

` (1)/(sqrt( x^(2)+25) ) `

C

` (-1)/(sqrt( x^(2)+25) ) `

D

` (2)/(sqrt( x^(2)+25) ) `

Text Solution

Verified by Experts

The correct Answer is:
D
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