-19
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The suqare root fo 361 is 19.
It is: 19+23 = 42
They are -19 or +19.
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
Algebraically, X = " what. " X * X = 361 x2 = 361 take square root each side X = 19 ---------------- 19 * 19 = 361 ------------