# Fourth Root of Unity Questions and Answers PDF Download eBook - 39

Fourth Root of Unity trivia questions and answers, fourth root of unity quiz answers PDF 39 to practice math exam questions for online classes. Practice "Quadratic Equations" trivia questions and answers, fourth root of unity Multiple Choice Questions (MCQs) for online college degrees. Free fourth root of unity MCQs, basic trigonometric identities, harmonic mean, homogeneous linear equations, measurements conversion, fourth root of unity test prep for GRE practice test.

"ω^{29} + ω^{28} + 1 =", fourth root of unity Multiple Choice Questions (MCQs) with choices *1, 0, 2, and 3* for best two year degrees. Practice quadratic equations questions and answers to improve problem solving skills to learn online certificate courses.

## Trivia Quiz on Fourth Root of Unity PDF Download eBook

MCQ: ω^{29} + ω^{28} + 1 =

- 0
- 1
- 2
- 3

A

MCQ: In 30 minutes, the hours hand of a clock turns through

- π/6 radians
- π/12 radians
- π/24 radians
- π radians

B

MCQ: For any non- singular matrix A, A^{-1} =

- |A|adj A
- 1 /|A|adj A
- adj A⁄|A|
- None of Above

C

MCQ: If A and H are arithmetic and harmonic mean between 2 and 3, then A + H =

- 49/20
- 49/10
- 49/5
- 32/4

B

MCQ: Cos540° =

- −1/√(2)
- 1/√(2)
- 3/√(2)
- 0

D