Infinite series (4)

Quote:

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Originally Posted by NonCommAlg

you should know that the convergence of doesn't necessarily imply that is convergent. for example but the series is divergent.

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Ohh.
But the integral test said that "if and only if".
Maybe it implies the convergence only when function is positive,continuous and decreasing. Right?

when i read the "maybe," then yes.

Quote:

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Originally Posted by Krizalid

when i read the "maybe," then yes.

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Sorry, but your reply did not make any sense.
Is true or not ?
forget that "maybe".

true.