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Complex numbers [ = square root symbol -[-64 How would I find this?
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Complex numbers
[ = square root symbol

-[-64
How would I find this?

Complex numbers [ = square root symbol -[-64 How would I find this?-example-1
User Ninigi
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1 Answer

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-√(-64)=-√(8^2\cdot (-1))-8√(-1)=-8i

User Jeremie
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