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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

If the quadratic equation 4x^2 - 2x - m = 0 and 4p(q-r)x^2 - 2q(r-p)x + r(p-q) = 0 have a common root such that second equation has equal roots then the value of m will be :

Options

  1. A0
  2. B1
  3. C2
  4. D3.

Correct answer

C. 2

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