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Infinite Serieshard
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Use the Ratio Test to determine the convergence of ∑n=1∞n!⋅3n(2n)!\sum_{n=1}^{\infty} \frac{n! \cdot 3^n}{(2n)!}∑n=1∞​(2n)!n!⋅3n​. Which of the following is correct?