SOLUTION: Using DeMoivre�s Theorem solve: z3 - 64 = 0 Is this a good answer: z^3-64=0; z^3=64; z^3=4^3; z=4

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Question 978406: Using DeMoivre�s Theorem solve: z3 - 64 = 0
Is this a good answer: z^3-64=0; z^3=64; z^3=4^3; z=4
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


That's one root. But what about the other two? Third-degree polynomial equations have three roots.

John

My calculator said it, I believe it, that settles it