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AP EAMCET201726 Apr 2017Evening ShiftMathematicsQuadratic EquationActual

If f:[1,2] R defined by f(x)=x^2+2 k x+k is always negative then the interval in which k lies is

Options

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

Correct answer

B. (- ,- 4 5 )

Step-by-step solution

No solution. Refer to answer key.

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