Question

ratio test is inconclusive if​

Answer 1

$\huge{\boxed{\boxed{\sf{\red{A}{N}{\blue{S}{\red{W}{\green{E}{R}}}}}}}}$

The ratio test states that: if L < 1 then the series converges absolutely; if L > 1 then the series is divergent; if L = 1 or the limit fails to exist, then the test is inconclusive, because there exist both convergent and divergent series that satisfy this case.

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