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Express the radical using the imaginary unit i
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3 votes
Express the radical using the imaginary unit i

Express the radical using the imaginary unit i-example-1
User James Richard
by
4.7k points

1 Answer

7 votes

Answer:

± 2i

Explanation:

note that
√(-1) = i

given ±
√(-4) = ±
√(4(-1)) = ±
√(4) ×
√(-1) = ± 2i


User Dylan Pierce
by
5.5k points
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