If , be unequal real roots of the equation ax^2 + bx + c = 0 where a, b, c are real and is the solution of 2ax + b = 0 then

JEE Advanced Mathematics question

If be unequal real roots of the equation where are real and is the solution of then

Answer: (C)

Let ; and , so . By Rolle's theorem (the special case of Lagrange's mean value theorem used by the book) there is a zero of strictly

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Question ID VK-110018