Use the Ratio Test to determine whether the series is convergent or divergent.
Whether the series is convergent or divergent by using the ratio test.
Use the ratio test
2) The ratio test:
(i) If , then the series is absolutely convergent. (and therefore convergent).
(ii) If or then the series is divergent.
(iii) If , then the ratio test is inconclusive, that is, no conclusion can be drawn about the convergence or divergence of .
By the ratio test, consider,
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