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AP EAMCET201725 Apr 2017Evening ShiftMathematicsQuadratic EquationActual

If x₁, x₃ are the roots of A x^2-4 x+1=0 and x₂, x₄ are the roots of B x^2-6 x+1=0 such that x₁, x₂, x₃, x₄ are in harmonic progression, then B+A B-A =

Options

  1. A11 5
  2. B-11 5
  3. C5 11
  4. D-5 11

Correct answer

A. 11 5

Step-by-step solution

No solution. Refer to answer key.

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