Mathegoras

Calculus › Limits of sequences › Factorials and binomials

Limit of a factorial quotient sequence

High school · ●●○○○ 20 pts

Find lim⁡n→∞an\lim_{n\to\infty} a_n, where an=(n+1)! (n−1)!(2n)!a_n= \frac{(n+1)!\,(n-1)!}{(2n)!}.

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ratio testfactorials