A) \[\frac{y}{1+y}\]
B) \[\frac{1-y}{y}\]
C) \[\frac{y}{1-y}\]
D) None of these
Correct Answer: A
Solution :
\[y=\frac{x}{1-x}\](Infinite G.P.) \[\therefore y-yx=x\] or \[y=x\,(1+y)\]i.e., \[x=\frac{y}{1+y}\].
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