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Math Help - Taking a derivative

  1. #1
    Newbie
    Joined
    Feb 2008
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    11

    Taking a derivative

    I was wondering what the rule was about three different equations multiplied together. I know how to use the chain rule using 2 equations multiplied together, but was wondering what to do with 3.

    Thanks!
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  2. #2
    Super Member
    Joined
    Jun 2008
    Posts
    792
    I think you might be referring to the product rule.

    (f(x)g(x))' = f'(x)g(x) + f(x)g'(x)

    (f(x)g(x)h(x))' = f'(x)g(x)h(x) + f(x)g'(x)h(x) + f(x)g(x)h'(x)

    Do you see the pattern here?
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