The square root of a number x is a number y such that y^{2}=x. In other words, a number y whose square is x. For example, 4 and −4 are square roots of 16 because 4^{2}=^{2}=16}.
The square root of a number x is a number y such that y^{2}=x. In other words, a number y whose square is x.
For example, 4 and −4 are square roots of 16 because 4^{2}=^{2}=16}.
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