√(-2) = √(-1) * √(2) = i√(2) ( i being the imaginary root [or √(-1)] )
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-1,0,or 1 the negative square root of four is negative two and the square root of four is two
five
square root of a negative number is imaginary square root of negative 1 is defined as i square root of negative 144 is sqrt ((144)(-1)) = 12i
The second root would be the negative of the principal root.
Every positive integer has two square roots, a positive square root and a negative square root. This is because, just like a positive number multiplied by a positive number is equal to a positive number, a negative number multiplied by a negative number is equal to a positive number. Therefore, rounded to two decimal places, the positive square root is equal to 7.28, and the negative square root is -7.28.