What is the constant ratio "r" mean in a geometric sequence formula?

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Answer 1 · 2014-11-25T03:04:19

It means that the next term can always be obtained by multiplying a current term by #r#.

#a_1=a#

by multiplying by #r#,

#a_2=ar#

by multiplying by #r#,

#a_3=ar^2#
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