Sagot :
Answer:
8i
Solution:
Square root of -64 is not a real number
So the square root of -64 is imaginary number
[tex]\sqrt{-64} = \sqrt{-1(64)} =\sqrt{-1} (8)=8i[/tex]
Forgot to mention that [tex]i = \sqrt{-1}[/tex]
Therefore the answer is 8i.
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