josh992
josh992
24-02-2017
Mathematics
contestada
Finding square roots
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erickkid1173
erickkid1173
24-02-2017
a square root of a number a is a number y such that y² = a, in other words, a number y whose square (the result of multiplying the number by itself, or y × y) is a. For example, 4 and −4 are square roots of 16 because 4² = (−4) = 16.
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