Solving $x^3 = -1$ for complex numbers

Question

How can I solve for the complex solutions of

$$ x^3 = -1 $$

score 2 · Answer 1 · answered Apr 26 '15 at 14:51

2

Hint: use that $$x^3+1=(x+1) \left(x^2-x+1\right)$$

answered Apr 26 '15 at 14:51

1 Answers1