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How do you find the common ratio of #-3,6,-12,24,...#?

1 Answer

Shwetank Mauria

Sep 25, 2016

Common ratio is #-2#

Explanation:

In a Geometric series, common ratio is the ratio of a term with respect to its preceding term.

Here we have the series #{-3,6,-12,24,.................}#

and hence common ratio is #6/-3=-12/6=24/-12=-2#

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