18-02-2015
Mathematics

contestada

Find all the real cube roots of each number.
-64

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VzDeath VzDeath

18-02-2015

the cubed root of -64 is -4.

-4*-4*-4=-64

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18-02-2015

Every number has three cube roots.

The only real cube root of -64 is -4 .

The other two cube roots of -64 are a pair of complex conjugates.
I'm too lazy to calculate them right now, and you didn't ask for them
anyway.

Answer Link

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