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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

If both roots of the quadratic equation ax^2 + x + b - a = 0 are non real and b > -1 , then which of the following is/are correct?

Options

  1. Aa > 0
  2. Ba < b
  3. C3a > 2 + 4b
  4. D3a < 2 + 4b .

Correct answer

A. a > 0

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