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In this video I define the square root of a non-negative number and the principal square
root of a non-negative number. We give some examples and discuss roots of even indices and
roots of odd indices, the concepts of radical, index and radicand. Next, we talk about
properties of radicals and do some exercises of simplification of radicals. Check my second
video about roots here: http://bit.ly/2hA2bqU
Prof. Serna. Math, Statistics & Physics Tutor. Miami.
10300 SW 72nd Street, Suite 460-5, Miami, FL 33173.