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Most Important Selected Qs for JEE AdvancedMathematicsQuadratic Equation

Paragraph: A polynomial equation is given by 2 x^4+k x^3+22 x^2+k x+2=0 . On the basis of above information, answer the following questions : Question: Interval of k for which exactly 2 roots of the equation are real can be -

Options

  1. Ak (-10,-8)
  2. Bk (-14,-12)
  3. Ck
  4. Dk (13,16)

Correct answer

D. k (13,16)

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