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mina [271]
3 years ago
15

Which of the following is equivalent to the expression below?

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
8 0

Answer:

C 9i

D -9i

Step-by-step explanation:

sqrt(-81)

sqrt(81) sqrt(-1)

we know that sqrt(-1) = i

±9i

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