What is the geometric mean of #2/3# and #216#?

1 Answer
Alan P.
Feb 17, 2016

The geometric mean of #2/3# and #216# is #12#

Explanation:

The geometric mean of #n# numbers is the #n^"th"# root of the product of the numbers.

So the geometric mean of #2/3# and #216# is
#color(white)("XXX")root(2)(2/3xx216)= sqrt(2xx72)=sqrt(144)=12#

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