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Math Help - Book vs. me ---- who is right?

  1. #1
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    Book vs. me ---- who is right?

    Differentiate [f(g(x))]^3

    My answer is 3[f(g(x))]^2 * f'(g(x)) * g'(x)

    But the book says 3[f(g(x))]^2 * g'(x)

    Who is right?
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  2. #2
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    You are right !
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    MHF Contributor Calculus26's Avatar
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    you are
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    Quote Originally Posted by Kaitosan View Post
    Differentiate [f(g(x))]^3

    My answer is 3[f(g(x))]^2 * f'(g(x)) * g'(x) CORRECT!
    But the book says 3[f(g(x))]^2 * g'(x)
    You.
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