(追記) (追記ここまで)
Limit Comparison Test
A convergence test often used when the terms of a series are rational functions. Essentially, the test determines whether a series is "about as good" as a "good" series or "about as bad" as a "bad" series. The "good" or "bad" series is often a p-series.
See also
Comparison test, convergent series, divergent series, limit, infinity, positive series