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Mathematics 13 Online
OpenStudy (reynad):

why can't i use a direct comparison test for n^2/((n^2) + 5))? why does it have to be a limit comparison?

OpenStudy (bobo-i-bo):

Are you talking about n^2/(n^2+5) as the terms of a series?

OpenStudy (reynad):

yes

OpenStudy (bobo-i-bo):

Hmmm, what is a limit comparison? But i do know that there isn't anything wrong with doing a direct comparison... there just isn't a reason (if the comparison is valid).

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