waifu991 waifu991

17-12-2017
Mathematics

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What is the common ratio of the geometric sequence 3, -6, 12, -24, ... ?

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THEBRAINLY1 THEBRAINLY1

17-12-2017

[tex]common \: ratio \: = \frac{(n + 1)th \: term}{nth \: term} \\ aslike \: here \: \\ \frac{ - 6}{3} = \frac{12}{ - 6} = \frac{ - 24}{12} = - 2 \\ hence \: \\ - 2 \: is \: the \: respective \: common \: ratio[/tex]

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