\[1+\frac{1+2}{2\,!}+\frac{1+2+3}{3\,!}+\frac{1+2+3+4}{4\,!}+....\inft – McqOptions

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1.	\[1+\frac{1+2}{2\,!}+\frac{1+2+3}{3\,!}+\frac{1+2+3+4}{4\,!}+....\infty =\] [Roorkee 1999; MP PET 2003]
A.	\[e\]
B.	\[3\,e\]
C.	\[e/2\]
D.	\[3e/2\]
Answer» E.

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