The "Radical Symbol" is a shorthand notation which stands for the roots of the number (or expression) in the radicand.
For example, the cube root of 8 stands for the number that can be multiplied by itself three times (cubed) to equal 8:
Since, 2 * 2 * 2 = 8, the cube root of 8 is 2.
The 3 in the expression is called the root index, and the 8 is called the radicand.
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Radical Properties of Multiplication
(using the radical symbol format)
The Reverse is Also True
How to Multiply Radicals
Video demonstrating radical multiplication - click here