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AP EAMCET201724 Apr 2017Morning ShiftMathematicsQuadratic EquationActual

If | x^2+k x+1 x^2+x+1 | < 3 for all real x , then k is in the interval

Options

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

Correct answer

C. (-1,5)

Step-by-step solution

No solution. Refer to answer key.

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