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Nature of roots of quadratic equation Quizzes Online MCQs PDF Download eBook

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Nature of roots of quadratic equation Questions and Answers PDF Download eBook

Nature of roots of quadratic equation Quiz

MCQ: The roots of the quadratic equation x² - 6x + 10 = 0 are

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

B

Double Angle Identities Quiz

MCQ: Cotα-tanα =

  1. −2tan2α
  2. 2tan2α
  3. −2cot2α
  4. 2cot2α

B

Harmonic Mean Quiz

MCQ: If an+1 + bn+1/an + bn is the harmonic mean between a and b, then n =

  1. −1
  2. 1
  3. −2
  4. 0

C

Online Math Learning Quiz

MCQ: Cos(α - β) =

  1. cosαcosβ+sinαsinβ
  2. cosαcosβ+sinαsinβ
  3. sinαcosβ-cosαsinβ
  4. sinαcosβ+cosαsinβ

B

Algebra and Trigonometry Quiz

MCQ: Sin²2θ =

  1. 1 - cos²θ
  2. 1+cos²θ
  3. 1+cosθ
  4. 1 - cos²2θ

D