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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

If x^2 + 2x + 7 2x + 3 < 6, x R then:

Options

  1. Ax (- , - 3 2 ) (11, )
  2. Bx (- , -1) (11, )
  3. Cx (- 3 2 , -1)
  4. Dx (- , - 3 2 ) (-1, 11) .

Correct answer

D. x (- , - 3 2 ) (-1, 11) .

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