Respuesta :

llange

Answer:

√63

√9⋅7

√3⋅3 ⋅7

3√7

Step-by-step explanation: Hope this helps

[tex]\textbf{Answer:}[/tex]
3i√7

[tex]\textbf{Step-by-step explanation:}[/tex]
Rule for negative square roots: √-1=i

√-63
√-1•63
√-1•9•7
3i√7
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