fs7ybtsdvk fs7ybtsdvk
  • 25-04-2022
  • Mathematics
contestada

Which choice is equivalent to the expression below?

√-81

A. √9i

B. i√9

C. 9i

D. -9

E. -√9

Which choice is equivalent to the expression below 81 A 9i B i9 C 9i D 9 E 9 class=
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jcherry99
jcherry99 jcherry99
  • 26-04-2022

Answer:

Step-by-step explanation:

Remark

√-81 breaks down to two roots

  • √81 = 9
  • √-1 = i

Solution

√-81 = i9

Answer

C

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