The sum of all integral values of for which

MATHEMATICS · Single correct · ISC · Mathematics · Algebra · Algebra

Problem

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: (a) -1 (b) -3 (c) 0 (d) -2

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