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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

If 5^x + (2 3 )^ 2x - 169 0 is true for x lying in the interval :

Options

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

Correct answer

A. (- , 2)

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