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Miscellaneous·2024·Easy

Let f(x) and g(x) be two functions such that g(x)=x- 1/x and f o g(x) = x^3 - 1/x^3 What is f'(x) equal to?

Let f(x) and g(x) be two functions such that g(x)=x- 1/x and  f o g(x) = x^3 - 1/x^3

What is f'(x) equal to?

Options

  1. a.

    2/-x³

  2. b.

    2x + 2/x³

    Correct answer
  3. c.

    6x + 3

  4. d.

    6x

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