1.

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

A. \[5\,e\]
B. \[e\]
C. \[15\,e\]
D. \[2\,e\]
Answer» D. \[2\,e\]


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