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SIZIF [17.4K]
2 years ago
6

Please answer i need help

Mathematics
2 answers:
natima [27]2 years ago
4 0
<h3>Answer: A) 5 - 3i</h3>

===========================================

Work Shown:

5 - \sqrt{-9}\\\\5 - \sqrt{-1*9}\\\\5 - \sqrt{-1}*\sqrt{9}\\\\5 - i*3\\\\5 - 3i\\\\

In step 3, I used the rule \sqrt{x*y} = \sqrt{x}*\sqrt{y}

Afterward, we use the definition that i = \sqrt{-1}

White raven [17]2 years ago
3 0

Answer:

5-3í

Step-by-step explanation:

Because the root of nine is three, equaling 5-3í

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