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crimeas [40]
3 years ago
6

Which choice is equivalent to the expression below √-81​

Mathematics
1 answer:
garri49 [273]3 years ago
4 0

Answer:

E

Step-by-step explanation:

\sqrt{-81} is the same as \sqrt{81} · \sqrt{-1}

This can be simplified to 9 · \sqrt{-1}

And the square root of -1 is i,

so this equals 9i

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