danieloena danieloena

19-07-2018
Mathematics

contestada

rewrite square root -9 -6 in complex number notaion

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19-07-2018

Somebody's starting complex numbers. One confusing thing is the principal square root of a negative number is a positive number times i.

[tex]\sqrt{-9} - 6 = -6 + \sqrt{9} \sqrt{-1} = -6 + 3i[/tex]

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