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Manipal MET2011MathematicsQuadratic Equation

If the roots of the equation x- + x- =1 be equal in magnitude but opposite in sign, then + is equal to

Options

  1. A0
  2. B1
  3. C2
  4. DNone of these

Correct answer

A. 0

Step-by-step solution

Given equation can be rewritten as x^2-2( + ) x+3 =0 Let roots be ^ and - ^ . ^ + (- ^ )=2( + ) + =0

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