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NDA2013MathematicsQuadratic EquationActual

If and are the roots of the equation x^2+b x+c=0 , then what is the value of ⁻¹+ ⁻¹ ?

Options

  1. A- b c
  2. Bb c
  3. Cc b
  4. D- c b

Correct answer

A. - b c

Step-by-step solution

1 + 1 = + = -b c

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