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Vedmedyk [2.9K]
4 years ago
5

How do you take the square root of a negative number?

Mathematics
2 answers:
slavikrds [6]4 years ago
8 0

use the imaginary number: \sqrt{-1} = i

\sqrt{-20}

\sqrt{(-1)*2*2*5}

2×i\sqrt{5}

2i\sqrt{5}

another example:

\sqrt{-4}

\sqrt{(-1)*2*2}

2 × i

2i

Aloiza [94]4 years ago
5 0

Answer:

It is not possible to take the square root of a negative number, but you can use imaginary numbers

square root of -16= 4i

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