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If the roots of the equation (b - c)x2 + (c - a)x + (a - b) = 0 be equal, then prove that a, b, c are in arithmetic progression.

Answer» If the roots of the equation (b - c)x2 + (c - a)x + (a - b) = 0 be equal, then prove that a, b, c are in arithmetic progression.


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