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Black Book Advanced Problems in MathematicsMathematicsFunctions

Let f : A B be a function such that f(x) = x - 2 + 4 - x , is invertible, then which of the following is not possible ?

Options

  1. AA = [3, 4]
  2. BA = [2, 3]
  3. CA = [2, 2 3 ]
  4. D[2, 2 2 ]

Correct answer

C. A = [2, 2 3 ]

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