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If (xe)^(y)=e^(x), then (dy)/(dx) is...

If `(xe)^(y)=e^(x)`, then `(dy)/(dx)` is

A

`(e^(x))/(x(y-1))`

B

`(logx)/((1+logx)^(2))`

C

`(1)/((1+logx)^(2))`

D

`(logx)/(1+logx)`

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