If 2^(x)+2^(y)=2^(x+y), then the value o...

If `2^(x)+2^(y)=2^(x+y)`, then the value of `(dy)/(dx)` at x = y = 1 is

A

0

B

`-1`

C

1

D

2

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Verified by Experts

The correct Answer is:

B

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