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Evaluate the infinite geometric series:\(2+\frac{1}{9}+\frac{1}{162}+\frac{1}{2916}+\dots\)

 Jul 29, 2022
 #1
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hint

 

\(\displaystyle \boxed{r=\frac{a_n}{a_{n-1}}=\frac{a_2}{a_{1}}=\frac{a_3}{a_{2}}=etc}\)

 Jul 29, 2022

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