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NDA2012MathematicsQuadratic EquationActual

If and are the roots of the equation x^2-q(1+x)-r=0 , then what is (1+ )(1+ ) equal to?

Options

  1. A1-r
  2. Bq-r
  3. C1+r
  4. Dq+r

Correct answer

A. 1-r

Step-by-step solution

gathered x^2-q x+(-q-r)=0 + =q =-q-r (1+ )(1+ ) 1+ + + 1+q-q-r 1-r . gathered

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