A limit

Real Analysis
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Tolaso J Kos
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A limit

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Post by Tolaso J Kos »

Evaluate the limit:

$$\lim_{n\rightarrow +\infty}\left [ \frac{n\cdot n!}{e\cdot (-2)^{n+1}}\cdot \left ( 1-e^2\sum_{k=0}^{n}\frac{(-2)^k}{k!} \right ) \right ]$$
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