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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

The sum of all integral values of λ for which (λ^2+λ-2)x^2 + (λ+2)x...

The sum of all integral values of λ\lambda for which (λ2+λ−2)x2+(λ+2)x<1∀x∈R(\lambda^2+\lambda-2)x^2 + (\lambda+2)x < 1 \forall x \in R, is :

Options

  1. A-1
  2. B-3
  3. C0
  4. D-2.

Correct answer

B. -3

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