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Calculate the sum of the geometric series $1+\left(\frac{1}{8}\right)+\left(\frac{1}{8}\right)^2 + \left(\frac{1}{8}\right)^3 + \dots$. Express your answer as a common fraction.

 Jan 7, 2021
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S = a1/(1-r)      r is  1/8

   = (1)/7/8    = 8/7

 Jan 7, 2021

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