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=

Respuesta :

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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