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# Complex Cube Roots of Unity MCQs Quiz Online PDF Download eBook

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"The product of 3 cube roots of unity is/are" Multiple Choice Questions (MCQ) on combination of resistors with choices 2, 3, 4, and 1 for virtual online school. Practice roots of quadratic equations quiz questions for online certificate programs for online teaching certification programs.

MCQ: The product of 3 cube roots of unity is/are

1. 2
2. 3
3. 4
4. 1

D

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

1. real, equal
2. real, unequal
3. imaginary
4. irrational

A

MCQ: 1 ⁄ α + 1 ⁄ β is equal to

1. 1 ⁄ α
2. 1 ⁄ β
3. α + β ⁄ αβ
4. α - β ⁄ αβ

C

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

1. 5 ⁄ 2
2. −5 ⁄ 3
3. 2 ⁄ 3
4. 3 ⁄ 5

B

MCQ: 2 square roots of unity are

1. 1, −1
2. 1, ω
3. 1, −ω
4. ω and ω²

A