geometric meanGeometricMean2001-10-20 00:45:172001-11-09 22:29:11Definition\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{graphicx}
\usepackage{xypic}
\textbf{Geometric Mean.}\\
If $a_1,a_2,\ldots,a_n$ are real numbers, we define their \emph{geometric mean} as
$$G.M. =\sqrt[n]{a_1a_2\cdots a_n}$$
\bigskip
{\footnotesize
(We usually require the numbers to be non negative so the mean always exists.)
}