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Highly selective Backlog Qs for JEE MainMathematicsQuadratic Equation

If both the roots of the quadratic equation x^2-2 k x+k^2+k-5=0 are less than 5 , then k lies in the interval

Options

  1. A(5,6]
  2. B(6, )
  3. C(- , 4)
  4. D[4,5]

Correct answer

C. (- , 4)

Step-by-step solution

aligned & -b 2 a < 5 & f(5)>0 & k (- , 4) . aligned

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