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College Math Practice Test 39

# Fourth Root of Unity Quiz PDF: Questions and Answers - 39

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The Quiz: ω29 + ω28 + 1 =; "Fourth Root of Unity" App Download (iOS & Android) with answers "1", "0", "2" and "3" to study online certification courses. Study Quadratic Equations Questions and Answers, Google eBook to download free sample for schools that offer online bachelor degrees.

## Fourth Root of Unity Questions and Answers : Quiz 39

MCQ 191:

ω29 + ω28 + 1 =

1. 0
2. 1
3. 2
4. 3
MCQ 192:

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

MCQ 193:

For any non- singular matrix A, A-1 =

2. 1 /|A|adj A
4. None of Above
MCQ 194:

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

1. 49/20
2. 49/10
3. 49/5
4. 32/4
MCQ 195:

Cos540° =

1. −1/√(2)
2. 1/√(2)
3. 3/√(2)
4. 0

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