What can you say about the series $\sum a_n$ in each of the following cases using the Ratio Test? Answer "Convergent," "Divergent," or "Inconclusive."

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? Convergent Divergent Inconclusive 1. $\displaystyle \lim_{n \to \infty} \left|\frac{a_{n+1}}{a_n} \right| = 0.25$

? Convergent Divergent Inconclusive 2. $\displaystyle \lim_{n \to \infty} \left|\frac{a_{n+1}}{a_n} \right| = 1$

? Convergent Divergent Inconclusive 3. $\displaystyle \lim_{n \to \infty} \left|\frac{a_{n+1}}{a_n} \right| = 4$

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Note: You only have two attempts at this problem.

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