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  • 22-01-2021
  • Mathematics
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Need help with this khan academy question. Plus minus square root of negative nine equals plus or minus

Need help with this khan academy question Plus minus square root of negative nine equals plus or minus class=

Respuesta :

Hk4Y
Hk4Y Hk4Y
  • 22-01-2021

Answer:

3i

Step-by-step explanation:

3i x 3i = -9

-3i x -3i = -9

Therefore the square root of -9 is 3i or -3i

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