SOLUTION: what is the geometric mean of 5 and 15?

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Question 2921: what is the geometric mean of 5 and 15?
Answer by Pieter(35) About Me  (Show Source):
You can put this solution on YOUR website!
the geometric mean is defined as sqrt(a x b) (known from the theory of sequences: an geometric sequence)
so the geometric mean of 5 and 15 is sqrt(5 x 15) = sqrt(75) = 5sqrt(3)

Greets,
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