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[latex]8\sqrt{-65}=8\sqrt{65\cdot(-1)}=8\sqrt{65}\cdot\sqrt{-1}=8\sqrt{65}\ i[/latex]

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(1) Answers

[latex]8\sqrt{-65}=8\sqrt{65\cdot(-1)}=8\sqrt{65}\cdot\sqrt{-1}=8\sqrt{65}\ i[/latex]

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