\[{{\log }_{e}}(1+x)=\sum\limits_{i=1}^{\infty }{\left[ \frac{{{(-1)}^ – McqOptions

MCQOPTIONS

1.	\[{{\log }_{e}}(1+x)=\sum\limits_{i=1}^{\infty }{\left[ \frac{{{(-1)}^{i+1}}{{x}^{i}}}{i} \right]}\] is defined for [Roorkee 1990]
A.	\[x\in (-1,\,1)\]
B.	Any positive (+) real x
C.	\[x\in (-1,\,1]\]
D.	Any positive (+) real \[x(x\ne 1)\]
Answer» D. Any positive (+) real \[x(x\ne 1)\]

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