SQUAREROOT

Square root

In mathematics, a square root of a number a is a number y such that, in other words, a number y whose square is a. For example, 4 and −4 are square roots of 16 because .

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square root

Noun

  1. Of a number, another number which, when squared, yields the original number; sometimes constrained to be the positive number when two solutions exist.
    Every complex number has two square roots; for example, the square roots of −4 are 2i and −2i.


The above text is a snippet from Wiktionary: square root
and as such is available under the Creative Commons Attribution/Share-Alike License.

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