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★ 6/10Limits calculus sequences Estimation

Problem

Let

a_n = \frac{10}{1} \cdot \frac{11}{3} \cdots \frac{n+9}{2n-1}.

Prove that the sequence $\{a_n\}$ has a limit, and find that limit.

Answer

Solution

Difficulty	6/10
Topics	Limits, calculus, sequences, Estimation

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