Let $a, b, c, p, q$ be real numbers. Suppose $\displaystyle \alpha , \beta$ are the roots of the equation $\displaystyle x^{2}+2px+q= 0$ and $\displaystyle \alpha , \frac{1}{\beta }$ are the roots of the equation $\displaystyle ax^{2}+2bx+c= 0$, where $\displaystyle \beta ^{2}\notin\left { -1, 0, 1 \right }.$ $\displaystyle \left ( p^{2}-q \right )\left ( b^{2}-ac \right )\geq 0$
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