The unique nonnegative square root of a nonnegative actual number. Because that example, the principal square root of 9 is 3, although both

and also 3 space square root of 9.

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The principle of principal square source cannot be prolonged to real an unfavorable numbers since the 2 square root of a negative number cannot be distinguished until one of the two is identified as the imagine unit, in ~ which suggest

and also
have the right to then be distinguished. Due to the fact that either an option is possible, over there is no faint in defining
as "the" square source of

SEE ALSO: Cube Root, i, nth Root, major Root the Unity, Radical, Square Root, Surd

Weisstein, Eric W. "Principal Square Root."From web Resource. Https:// internet Resources

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