Geometric & Arithmetic Mean Inequality

View the video on the proof by contradiction relating to arithmetic mean and geometric mean.
[url=https://www.youtube.com/watch?v=yEFCHrsn2n4]https://www.youtube.com/watch?v=yEFCHrsn2n4[br][/url]Write out this proof on your own paper and turn it in to me.

Information: Geometric & Arithmetic Mean Inequality