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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

If a 0 and the equation ax^2 + bx + c = 0 has two roots and such that 2 . Which of the following is always true ?

Options

  1. Aa(a+|b|+c) > 0
  2. Ba(a+|b|+c) < 0
  3. C9a-3b+c > 0
  4. D(9a-3b+c)(4a+2b+c) < 0 .

Correct answer

B. a(a+|b|+c) < 0

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