Meliiiii Meliiiii

29-01-2019
Mathematics

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Express the radical using the imaginary unit i

Express the radical using the imaginary unit i class=

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jimrgrant1 jimrgrant1

29-01-2019

Answer:

± 2i

Step-by-step explanation:

note that [tex]\sqrt{-1}[/tex] = i

given ± [tex]\sqrt{-4}[/tex] = ± [tex]\sqrt{4(-1)}[/tex] = ± [tex]\sqrt{4}[/tex] × [tex]\sqrt{-1}[/tex] = ± 2i

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