If \[{{x}^{a}}{{y}^{b}}={{(x-y)}^{a+b}},\] then the value of \[\frac{dy}{dx}-\frac{y}{x}\] is equal to

If \[{{x}^{a}}{{y}^{b}}={{(x-y)}^{a+b}},\] then the value of \[\frac{d

1.	If \[{{x}^{a}}{{y}^{b}}={{(x-y)}^{a+b}},\] then the value of \[\frac{dy}{dx}-\frac{y}{x}\] is equal to
A.	\[\frac{a}{b}\]
B.	\[\frac{b}{a}\]
C.	1
D.	0
Answer» E.

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If \[{{x}^{a}}{{y}^{b}}={{(x-y)}^{a+b}},\] then the value of \[\frac{dy}{dx}-\frac{y}{x}\] is equal to

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