\[\frac{1}{2}+\frac{1}{4}+\frac{1}{8(2)\,!}+\frac{1}{16\,(3)\,!}+\frac{1}{32(4)\,!}+......\infty =\]

\[\frac{1}{2}+\frac{1}{4}+\frac{1}{8(2)\,!}+\frac{1}{16\,(3)\,!}+\frac

1.	\[\frac{1}{2}+\frac{1}{4}+\frac{1}{8(2)\,!}+\frac{1}{16\,(3)\,!}+\frac{1}{32(4)\,!}+......\infty =\]
A.	\[e\]
B.	\[\sqrt{e}\]
C.	\[\frac{\sqrt{e}}{2}\]
D.	None of these
Answer» D. None of these

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\[\frac{1}{2}+\frac{1}{4}+\frac{1}{8(2)\,!}+\frac{1}{16\,(3)\,!}+\frac{1}{32(4)\,!}+......\infty =\]

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