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What is the common ratio of the geometric sequence −2,1,−12,...?

 Aug 1, 2015

Best Answer 

 #1
avatar+118587 
+5

There isn't one, this is not a GP

if it were a GP then

1/-2 would equal -12/1   and this would  be the common ratio

 Aug 1, 2015
 #1
avatar+118587 
+5
Best Answer

There isn't one, this is not a GP

if it were a GP then

1/-2 would equal -12/1   and this would  be the common ratio

Melody Aug 1, 2015

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