jwallace2026 jwallace2026

03-10-2020
Mathematics

contestada

why does x^2 = 64 have two solutions but x^3 = 64 only has one?

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TheFilthyMongol TheFilthyMongol

03-10-2020

Because if the exponent is an even number, x can also be -x. For example, -4^2=4^2 but -4^3 isn't the same as 4^3

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