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Q: Is the series 1/2n convergent or divergent? If convergent find it's sum.
I see that the limit as n goes to infinity is zero but that does not prove C or D. It seems like it would be divergent but why? How can that be shown?
Any direction/help would be greatly appreciated.
I see that the limit as n goes to infinity is zero but that does not prove C or D. It seems like it would be divergent but why? How can that be shown?
Any direction/help would be greatly appreciated.