Question

If each pair of the three equations x2 + p1x + q1 = 0, x2 + p2x + q2 = 0 and x2 + p3x + q3 = 0 have a common root, then prove that     2 2 2 1 2 3 1 2 3 1 2 2 3 3 1 p  p  p  4 q  q  q  2 p p  p p  p p .

Answer 1

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