Monday, February 8, 2010

Geometric mean true or false question?

In a geometric sequence, such as 1, 2, 4, 8, 16, ..., each term is the geometric mean of the term that comes right before it and the term that comes right after it.





true or false?Geometric mean true or false question?
true - each term can be written as a power of 2 -- 2^n so the ratio is





2^(n-1)/2^n=2^n/2^(n+1 if you cross multiply you get an identity 2^2n=2^2nGeometric mean true or false question?
true

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