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Math multiple choice questions (MCQ) on product of 3 cube roots of unity is/are with options 3, 2, 4 and 1, complex cube roots of unity quiz for competitive exam prep, viva interview questions with answers key. Free math study guide to learn complex cube roots of unity quiz to attempt multiple choice questions based test.

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

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

D

MCQ. If b² - 4ac < 0, then roots of ax² + bx + c = 0 are

1. equal
2. irrational
3. rational
4. imaginary

D

MCQ. The number of terms in a standard quadratic equation ax² + bx + c = 0 is

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

C

MCQ. If b² - 4ac = 0, then roots of ax² + bx + c = 0 are

1. equal
2. imaginary
3. irrational
4. rational

A

MCQ. The number of methods to solve a quadratic equation are

1. 2
2. 3
3. 4
4. 5

B