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gregori [183]
3 years ago
7

I need help if right I will give you brainiest ​

Mathematics
1 answer:
HACTEHA [7]3 years ago
6 0

Answer:

5\sqrt{5}i or D

Step-by-step explanation:

\sqrt{-125} \\\\\mathrm{Apply\:radical\:rule}:\quad \sqrt{-a}=\sqrt{-1}\sqrt{a}\\\\\sqrt{-125}=\sqrt{-1}\sqrt{125}\\\\=\sqrt{-1}\sqrt{125}\\\\\mathrm{Apply\:imaginary\:number\:rule}:\quad \sqrt{-1}=i\\\\=\sqrt{125}i\\\\=5\sqrt{5}i

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