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NDA2011MathematicsQuadratic EquationActual

If the roots of the equation x^2-4 x- ₃ ~N =0 are real, then what is the minimum value of N ?

Options

  1. A1 / 256
  2. B1 / 27
  3. C1 / 64
  4. D1 / 81

Correct answer

D. 1 / 81

Step-by-step solution

The correct answer is option D

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