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No real number multiplied by itself can give a negative result,

so no real number can be a square root of -8 .

The answer is called an 'imaginary' number. It's [ 2.8284 i ] .

The '2.8284' part is the regular square root of 8, rounded, and

the ' i ' is a symbol that means "the square root of -1".

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Q: What are the square root of -8?
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