What is the common ratio of the geometric sequence: 1.5, -9, 54, -324?

1 Answer
Shwetank Mauria
Sep 24, 2017

Common ratio is #6#.

Explanation:

Common ratio of a geometric sequence is the ratio of a term to its immediately preceding term.

In the geometric sequence #1.5,-9,54,-324...#

as #(-9)/1.5=54/(-9)=(-324)/54=6#

Hence common ratio is #6#.

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