\[1+\frac{2}{3\,!}+\frac{3}{5\,!}+\frac{4}{7\,!}+......\infty =\,\]

1.	\[1+\frac{2}{3\,!}+\frac{3}{5\,!}+\frac{4}{7\,!}+......\infty =\,\]
A.	e
B.	\[2\,e\]
C.	e/2
D.	e/3
Answer» D. e/3

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\[1+\frac{2}{3\,!}+\frac{3}{5\,!}+\frac{4}{7\,!}+......\infty =\,\]

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