Cube Roots of Unity Quiz Questions and Answers 70 PDF Download

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Study cube roots of unity online courses with multiple choice question (MCQs): sum of all three cube roots of unity is, for bachelor degree and masters degree in mathematics questions with choices 1, −1, 3, 0 with online learning guide for international exams' preparation like SAT subjective test. Learn quadratic equations quizzes with problem-solving skills assessment test.

Quiz on Cube Roots of Unity Worksheet 70Quiz PDF Download

Cube Roots of Unity Quiz

MCQ: Sum of all three cube roots of unity is

  1. 1
  2. −1
  3. 3
  4. 0

D

Triple Angle Identities Quiz

MCQ: Sin3θ/sinθ +cos3θ/cosθ =

  1. sinθ
  2. 2cot2θ
  3. cosθ
  4. cosθ

B

Relation b/w roots & the coefficients of quadratic equations Quiz

MCQ: If a > 0, then function ƒ(x) = ax² + bx + c has a minimum value at

  1. ƒ(a/2b)
  2. ƒ(-a/2b)
  3. ƒ(-b/2a)
  4. None of Above

C

Inverse of a Function Quiz

MCQ: If f is a bijective function, then ƒ(f-1(x)) =

  1. 0
  2. 1
  3. 2
  4. x

D

Algebra & Trigonometry Quiz

MCQ: Cos²θ+sin²θ =

  1. −2
  2. −1
  3. 0
  4. 1

D