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

\[(0.5)-\frac{{{(0.5)}^{2}}}{2}+\frac{{{(0.5)}^{3}}}{3}-\frac{{{(0.5)}^{4}}}{4}+....\]

\[1+\frac{{{2}^{2}}}{1\,!}+\frac{{{3}^{2}}}{2\,!}+\frac{{{4}^{2}}}{3\,

1.	\[1+\frac{{{2}^{2}}}{1\,!}+\frac{{{3}^{2}}}{2\,!}+\frac{{{4}^{2}}}{3\,!}+......\infty =\]
A.	\[2\,e\]
B.	\[3\,e\]
C.	\[(0.5)-\frac{{{(0.5)}^{2}}}{2}+\frac{{{(0.5)}^{3}}}{3}-\frac{{{(0.5)}^{4}}}{4}+....\]
D.	\[5\,e\]
Answer» E.

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

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