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How to express the radical using the imaginary unit , i. Please help
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4 votes
How to express the radical using the imaginary unit , i. Please help

How to express the radical using the imaginary unit , i. Please help-example-1
User Noam Smadja
by
5.8k points

1 Answer

7 votes

Answer:

± 4i
√(5)

Explanation:


√(-80) =
√(16(5)(-1))

=
√(16) ×
√(5) ×
√(-1)

= 4
√(5)i → [
√(-1) = i ]


User BigFwoosh
by
5.5k points
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