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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

If exactly one root of the quadratic equation x^2 - (a+1)x + 2a = 0 lies in the interval (0, 3) , then the set of value 'a' is given by:

Options

  1. A(- , 0) (6, )
  2. B(- , 0] (6, )
  3. C(- , 0] [6, )
  4. D(0, 6) .

Correct answer

B. (- , 0] (6, )

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