what is the square root of -169
\(\sqrt{-169} \to \boxed{ - /+ 13i}\)
Square root -169\(= \sqrt{-169} = \sqrt{169}\) \(\sqrt{-1}\) = 13i = 13i.Note square root of -1 is represented by i.Square roots usually have two answers; +/-More correct answer = +/- 13i