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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 :

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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