单词 | Cauchy ratio test |
释义 | Cauchy ratio test [kō·shē `rā·shō ´test] MATHEMATICS A series of nonnegative terms converges if the limit, as n approaches infinity, of the ratio of the (n + 1)st to nth term is smaller than 1, and diverges if it is greater than 1; the test fails if this limit is 1. Also known as ratio test. |
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