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The square root is represented by the symbol "." The symbol is also known as a radical, and the radicand is the number it designates. Say the radicand in the number 3 is.
The "square root" is the common name for the second root. Typically, the third root of a number is referred to as the "cube root." Thereafter, the roots are referred to as the nth root, for instance, the 5th root, the 7th root, etc.
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