Question

Please answer i need help

Answer 1

Answer: A) 5 - 3i

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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 $i = \sqrt{-1}$

Answer 2

Answer:

5-3í

Step-by-step explanation:

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