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Explain why -4 is not a real number but -8 is two equations below of what they look like


√( - 4)

\sqrt[3]{ - 8}

Explain why -4 is not a real number but -8 is two equations below of what they look-example-1
User TheMI
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-4 isn't a real number because there is no square root of -4. However, there is a cube root of -8, because -2 * -2 * -2 = -8.

User Marzagao
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