Find the sixth roots of unity (the roots of z⁶ − 1 = 0).
University of Ilorin MTH101 2026-exam past question
- 1, −1, i, −i, (√3/2 + i/2), (−√3/2 + i/2)
- 1, −1, i, −i, (1/2 + (√3/2)i), (1/2 − (√3/2)i)
- 1, −1, (1/2 + (√3/2)i), (1/2 − (√3/2)i), (−1/2 + (√3/2)i), (−1/2 − (√3/2)i)
- 1, −1, 2, −2, i, −i
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