is called the radical symbol or radix and in this example, the principal square root of 4 is 2 which is denoted by √4 = 2 because 2 2 = 2 • 2 = 4 and 2 are non-negative. the number underneath the radical symbol is called the radicand. here the radicand is 4. here is a...
The radical may resemble a division symbol, but it has a very different meaning. What is under the radical symbol is called theradicand, and this can be a number or an algebraic expression. We are going to stick to numbers in this video. Theindexis the most important feature. That small...
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