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Let Q(x) be a quadratic polynomial with ...

Let `Q(x)` be a quadratic polynomial with real coefficients such that for all real x the relation, `2(1+Q(x)) =Q(x - 1) +Q(x +1)` holds good. If `Q(0) = 8` and `Q(2) = 32` then The number of integral values of 'x' for which `Q(x) gives negative real values.

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