Given the following geometric sequence, find the common ratio: {3, 18, 108, ...).

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02-07-2018
Mathematics

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Given the following geometric sequence, find the common ratio: {3, 18, 108, ...).

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lucagasparro12 lucagasparro12 · Answer 1 · 2018-07-02T21:45:52+02:00

lucagasparro12 lucagasparro12

02-07-2018

Geometric sequences go up due to a common ratio. Here the common ratio can be worked out by dividing a term by its previous term e.g term 2 divided by term 1.

[tex]18/3 = 6 [/tex]

Therefore the common ratio is 6.

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