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8. If p, q, r and s are real numbers such that pr = 2(q + s), then show that at least one of the
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8. If p, q, r and s are real numbers such that pr = 2(q + s), then show that at least one of the equations x2 + px + q = 0 and x2 + rx + s = 0 has real roots.
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8. If p, q, r and s are real numbers such that pr = 2(q + s), then show that at least one of the
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