Find the common ratio for the following sequence.1/2, -1/4, 1/8, -1/16, ...

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asked Jan 13, 2023 165k views

5 votes

Find the common ratio for the following sequence.1/2, -1/4, 1/8, -1/16, ...

Mathematics
college

Kachina asked

by Kachina

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1 Answer

4 votes

Given:

$(1)/(2),-(1)/(4),(1)/(8),-(1)/(16),\ldots$
$\begin{gathered} \text{Common ratio=}(-(1)/(4))/((1)/(2)) \\ =-(1)/(4)*(2)/(1) \\ =-(1)/(2) \end{gathered}$

Xavier Noria answered Jan 18, 2023

by Xavier Noria

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