How to sum this series?
Last edited by CuriosityCabinet; August 30th 2010 at 11:10 AM.
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Note that So just break the the series into two parts they are both geometric and remember that
Thank you very much, the answer came out to be 20
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About LinkBacks^n + \left(\frac{1}{2}-\frac{1}{\sqrt{5}}\right)^n \right))
