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# Geometric sequence

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What is the Geometric sequence between 1/3, 1/9, 1/27

Guest Mar 22, 2017
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1st term is 1/3 = \(\dfrac{1}{3^1}\)

2nd term is 1/9 = \(\dfrac{1}{3^2}\)

3rd term is 1/27 = \(\dfrac{1}{3^3}\)

Therefore general formula is \(a_n = 3^{-n}\)

MaxWong  Mar 22, 2017

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