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April 12th, 2012, 10:32 AM   #1
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Series Question - Convergence

3 + (3/4) + (3/ + (3/16) + (3/32)...

I cannot solve the sigma notation. Can anyone assist?

I think it may be 3 + Sigma (3 / 2 ^ (n+1) )
However, I cannot get it into Geo Sum notation so I can use S = a / (1 + r) to find where it converges.
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April 12th, 2012, 01:00 PM   #2
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Re: Series Question - Convergence

I would write the series as:

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