Question

Given the following geometric sequence, find the common ratio: $\{225, 45, 9,\dots\}$.

Solution

VerifiedAnswered 10 months ago

Answered 10 months ago

Step 1

1 of 4Let's note by $\{a_n\}$ the geometric sequence with the elements:

$\begin{cases} a_1=225\\ a_2=45\\ a_3=9. \end{cases}$

We have to calculate the common ratio $r$ of the geometric sequence $a_n$.

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