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Black Book Advanced Problems in MathematicsMathematicsLimits

Let f(x) = x + x^2 + 2x and g(x) = x^2 + 2x - x , then :

Options

  1. A_ x g(x) = 1
  2. B_ x f(x) = 1
  3. C_ x - f(x) = -1
  4. D_ x - g(x) = -1

Correct answer

A. _ x g(x) = 1

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