SOLUTION: If p and q are roots of quadratic equation x2-px+q=0 , what is value of p and q?
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Question 421787
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If p and q are roots of quadratic equation x2-px+q=0 , what is value of p and q?
Answer by
richard1234(7193)
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Use Vieta's formulas: the sum of the roots is p, so
, and q = 0. Likewise, the product of the roots is q, so
, since q = 0, p can be any real number (not just 1).