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sqrt((y)/( x))+ sqrt((x)/(y))= 2 implies...

`sqrt((y)/( x))+ sqrt((x)/(y))= 2 implies (dy)/(dx) =`

A

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

B

`(x^(2) - y^(2))/(x + y)`

C

1

D

2

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The correct Answer is:
C
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