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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 range of P(x) is [m, ) , then the value of m is :

Options

  1. A-12
  2. B15
  3. C-17
  4. D-5 **Paragraph for Question Nos. 19 to 21** Let t be a real number satisfying 2t^3 - 9t^2 + 30 - = 0 where t =

Correct answer

C. -17

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