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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

Solution of the quadratic equation (3|x| - 3)^2 = |x| + 7 , which belongs to the domain of the function y = (x - 4)x is :

Options

  1. A1 9 , 2
  2. B1 9 , 8
  3. C-2, - 1 9
  4. D- 1 9 , 8 .

Correct answer

C. -2, - 1 9

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