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The sum of a certain infinite geometric series is $2$. The sum of the squares of all the terms is $3$. Find the common ratio.

 Feb 17, 2019
edited by Guest  Feb 17, 2019
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See the answer here by Max Wong:

https://web2.0calc.com/questions/the-sum-of-a-certain-infinite-geometric-series-is#r4

 Feb 17, 2019

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