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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

Let S is the set of all real x such that 2x-1 2x^3+3x^2+x is positive, then S contains :

Options

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

Correct answer

A. (- , - 3 2 )

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