Question 244877
it should be the square root of 10*12 = sqrt(120)


check this out:


<a href = "http://en.wikipedia.org/wiki/Geometric_mean" target = "_blank">http://en.wikipedia.org/wiki/Geometric_mean</a>


In general, if you have n numbers, the geometric mean is the nth root of the product of all the numbers.


<pre>
numbers             geometric mean

a,b                  {{{root(2,(a*b))}}}


a,b,c,d,e            {{{root(5,(a*b*c*d*e))}}}
</pre>