If \[y=x-{{x}^{2}}+{{x}^{3}}-{{x}^{4}}+......\infty \], then value of x will be [MNR 1975; RPET 1988; MP PET 2002]

If \[y=x-{{x}^{2}}+{{x}^{3}}-{{x}^{4}}+......\infty \], then value of�

1.	If \[y=x-{{x}^{2}}+{{x}^{3}}-{{x}^{4}}+......\infty \], then value of x will be [MNR 1975; RPET 1988; MP PET 2002]
A.	\[y+\frac{1}{y}\]
B.	\[\frac{y}{1+y}\]
C.	\[y-\frac{1}{y}\]
D.	\[\frac{y}{1-y}\]
Answer» E.

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If \[y=x-{{x}^{2}}+{{x}^{3}}-{{x}^{4}}+......\infty \], then value of x will be [MNR 1975; RPET 1988; MP PET 2002]

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