Variable, or if you're a purist - vary.
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square root
One definition of "root" is "the basic cause, source, or origin of something." The source of a perfect square is the number that was multiplied by itself to create it: the root of the square, the square root.
A number will have both a positive and negative square root 5 x 5 = 25 and -5 x -5 = 25.
By definition. If you multiply 7.549..... x 7.549.... it will equal 57.
We will walk through the definition of the square root of 63, find out whether the square root of 63 is rational or irrational, and see how to find the square root of 63 by the long division method. ... Square Root of 63.