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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

Paragraph: **** Let f(x) = ax^2 + bx + c, a 0 , such that f(-1-x) = f(-1+x) x R . Also given that f(x) = 0 has no real roots and 4a + b > 0 . If the cubic has four real and distinct solutions for x then exhaustive set of values of be :

Options

  1. A(3, 10)
  2. B3, 10
  3. C(- , -22) (10, )
  4. DNone of these **Paragraph for Question Nos. 22 to 23** Consider a quadratic expression f(x) = tx^2 - (2t - 1)x

Correct answer

A. (3, 10)

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