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Black Advanced Problems in Mathematics
Exam
Black Advanced Problems in Mathematics
Subject
Mathematics
Chapter
Quadratic Equation

Black Advanced Problems in Mathematics · Mathematics · Quadratic Equation

If (1+α)/(1-α), (1+β)/(1-β), (1+γ)/(1-γ) are roots of the cubic...

If 1+α1−α,1+β1−β,1+γ1−γ\frac{1+\alpha}{1-\alpha}, \frac{1+\beta}{1-\beta}, \frac{1+\gamma}{1-\gamma} are roots of the cubic equation f(x)=0f(x) = 0 where α,β,γ\alpha, \beta, \gamma are the roots of the cubic equation 3x3−2x+5=03x^3 - 2x + 5 = 0, then the number of negative real roots of the equation f(x)=0f(x) = 0 is:

Options

  1. A0
  2. B1
  3. C2
  4. D3.

Correct answer

B. 1

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