What are the three cube roots of unity?

A-Level Further Mathematics Practice Questions - A-Level Further Mathematics Exam

Question Number 5

What are the three cube roots of unity?

1, i, -i 1, -1, i 1, e^(2pi i/3), e^(4pi i/3) 1, e^(pi i/3), e^(2pi i/3)

✔ Correct Answer:

1, e^(2pi i/3), e^(4pi i/3)

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