this question doesn't look hard when i read it, but then when i tried doing it, i can't(adsbygoogle = window.adsbygoogle || []).push({});

Suppose [tex]\sum[/tex]Ak and [tex]\sum[/tex]Bk are both convergent series with positive terms. Does it follow that [tex]\sum[/tex]AkBk converges? Show your answer is correct with an appropriate proof/ counter example.

Thanks for help.

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# Infinitie Series: Converge/Diverge question

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