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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

If g(x) = f (x - 1 - x^2 ) and f'(x) = 1 - x^2 then g'(x) equals to :

Options

  1. A1 - x^2
  2. B1 - x^2
  3. C2x (x + 1 - x^2 )
  4. D2x (x - 1 - x^2 )

Correct answer

C. 2x (x + 1 - x^2 )

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