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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

If the quadratic polynomial P(x) = (p - 3)x^2 - 2px + 3p - 6 ranges from [0, ) for every x R , then the value of p can be :

Options

  1. A3
  2. B4
  3. C6
  4. D7.

Correct answer

C. 6

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