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Find the common ratio of the geometric sequence –13, 117, -1053, ...

Find the common ratio of the geometric sequence –13, 117, -1053, ...
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4 votes
Find the common ratio of the geometric sequence –13, 117, -1053, ...

Find the common ratio of the geometric sequence –13, 117, -1053, ...-example-1
User Bigwillydos
by
7.5k points

1 Answer

5 votes

Answer: -19

Explanation:

Use the geometric ratio r=a2/a1

So 117/-13 = -9

-13*-9= 117

117*-9= -1053

User Darrell H
by
8.4k points
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