1.

\[\frac{2}{1\,!}+\frac{4}{3\,!}+\frac{6}{5\,!}+\frac{8}{7\,!}+......\infty =\]   [JMI CET 2000]

A. \[1/e\]
B. \[e\]
C. \[2\,e\]
D. \[3e\]
Answer» C. \[2\,e\]


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