Consider the equation ${x^2} + \alpha x + \beta  = 0$ having roots $\alpha ,\beta $ such that $\alpha  \ne \beta $ .Also consider the inequality $\left| {\left| {y - \beta } \right| - \alpha } \right| < \alpha $ ,then

  • A

    inequality is satisfied by exactly two integral values of $y$

  • B

    inequality is satisfied by all values of $y \in  (-4, 2)$

  • C

    Roots of the equation are of same sign

  • D

    ${x^2} + \alpha x + \beta  > 0\,\forall \,x \in \,\left[ { - 1,0} \right]$

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