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If sqrt(1+ x ^(2)) + sqrt(1 + y ^(2)) =...

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

A

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

B

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

C

0

D

1

Text Solution

Verified by Experts

The correct Answer is:
A
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