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Black Book Advanced Problems in MathematicsMathematicsFunctions

Let g(x) be the inverse of f(x) = 2^ x+1 - 2^ 1-x 2^x + 2^ -x then g(x) be :

Options

  1. A1 2 ₂ ( 2+x 2-x )
  2. B- 1 2 ₂ ( 2+x 2-x )
  3. C₂ ( 2+x 2-x )
  4. D₂ ( 2-x 2+x )

Correct answer

C. ₂ ( 2+x 2-x )

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