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zvonat [6]
3 years ago
11

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

Mathematics
1 answer:
Hitman42 [59]3 years ago
3 0

Answer:

± 4i\sqrt{5}

Step-by-step explanation:

\sqrt{-80} = \sqrt{16(5)(-1)}

= \sqrt{16} × \sqrt{5} ×\sqrt{-1}

= 4\sqrt{5}i → [ \sqrt{-1} = i ]


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