# Complex Cube Roots of Unity MCQs Quiz Worksheet PDF Download

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## MCQs on Complex Cube Roots of Unity Quiz PDF Download

MCQ: Product of 3 cube roots of unity is/are

- 2
- 3
- 4
- 1

D

MCQ: Roots of equation 9x² - 9x + 1 = 0 are

- real, equal
- real, unequal
- imaginary
- irrational

A

MCQ: 1⁄α + 1⁄β is equal to

- 1⁄α
- 1⁄β
- α + β⁄αβ
- α - β⁄αβ

C

MCQ: If α and β are roots of 3x² + 5x - 2 = 0 then α + β should be

- 5⁄2
- −5⁄3
- 2⁄3
- 3⁄5

B

MCQ: 2 square roots of unity are

- 1, −1
- 1, ω
- 1, −ω
- ω and ω²

A