\[3+\frac{5}{1\,!}+\frac{7}{2\,!}+\frac{9}{3\,!}+.....\infty =\]

1.	\[3+\frac{5}{1\,!}+\frac{7}{2\,!}+\frac{9}{3\,!}+.....\infty =\]
A.	\[3\,e\]
B.	\[5\,e\]
C.	\[5\,e-1\]
D.	None of these
Answer» C. \[5\,e-1\]

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\[3+\frac{5}{1\,!}+\frac{7}{2\,!}+\frac{9}{3\,!}+.....\infty =\]

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