I have a question to show if the following series is convergent or not

and i have to show it with using different subseries most questions like this im ok with but with this im stumped would be very grateful for any help. Thanks.

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- May 21st 2010, 02:38 PMrenlokshow series is convergent or not by using subseries
I have a question to show if the following series is convergent or not

and i have to show it with using different subseries most questions like this im ok with but with this im stumped would be very grateful for any help. Thanks. - May 21st 2010, 02:41 PMtonio
- May 23rd 2010, 01:52 AMIdealconvergenceexplain precisely
It will better to explain the problem you want to solve more precisely. Are you trying comparison test?