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Square root
01
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a number that produces a particular number when multiplied by itself
例
The square root of 16 is 4.
Add these squared numbers together, divide by the number of measurements, and then take the square root of the answer.
The existence of irrational numbers, such as the square root of 2, is indisputable in mathematics despite their non-repeating decimal expansions.
Negative numbers can have imaginary roots, such as the square root of -1 being i.
