1.

Let S be the set of all non-zero real number α such that the quadratic equation αx2−x+α=0 has two distinct real roots x1 and x2 satisfying the inequality |x1−x2|<1. Which of the following interval is(are) a subset of S?

Answer»

Let S be the set of all non-zero real number α such that the quadratic equation αx2x+α=0 has two distinct real roots x1 and x2 satisfying the inequality |x1x2|<1. Which of the following interval is(are) a subset of S?



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