College Math Exam Prep

College Math Practice Test 39

The Book *Fourth Root of Unity Quiz Questions and Answers*, fourth root of unity MCQ questions PDF chapter 9-39 to download online courses, college math tests. Study Quadratic Equations MCQ trivia questions, fourth root of unity Multiple Choice Questions (MCQ Quiz) for online college degrees. The App *Fourth Root of Unity MCQs* e-Book PDF Download: fourth root of unity, measurements conversion, homogeneous linear equations, harmonic mean, basic trigonometric identities test prep for GRE practice test.

The MCQ: *ω ^{29} + ω^{28} + 1 =* PDF, "Fourth Root of Unity MCQs" App (Android & iOS) Free with 1, 0, 2, and 3 choices for best two year degrees. Practice quadratic equations questions and answers, Google eBook to download free sample to learn online certificate courses.

**MCQ**: ω^{29} + ω^{28} + 1 =

A) 0

B) 1

C) 2

D) 3

a

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

A) π/6 radians

B) π/12 radians

C) π/24 radians

D) π radians

b

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

A) |A|adj A

B) 1 /|A|adj A

C) adj A⁄|A|

D) None of Above

c

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

A) 49/20

B) 49/10

C) 49/5

D) 32/4

b

**MCQ**: Cos540° =

A) −1/√(2)

B) 1/√(2)

C) 3/√(2)

D) 0

d

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