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NDA2010MathematicsQuadratic EquationActual

If 1 2- -2 is one of the roots of a x^2+b x+c=0 where a , b , c are real, then what are the values of a, b , c respectively?

Options

  1. A6,-4,1
  2. B4,6,-1
  3. C3,-2,1
  4. D6,41

Correct answer

C. 3,-2,1

Step-by-step solution

The correct answer is option (C).

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