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Math Help - First Principle of Derivative (using limit) and Power Rule

  1. #1
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    Question First Principle of Derivative (using limit) and Power Rule

    using the first principle of differentiation, find the first derivatives of

    1.
    f(x) = 3/x^2

    2.
    1/(sqrt x)^3

    - i don't know how to use limit. Please help me.
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  2. #2
    Member dokrbb's Avatar
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    Re: First Principle of Derivative (using limit) and Power Rule

    You already posted this question, and we already aswered to it, what's the problem???

    First Principle of Derivative and Power Rule

    dokrbb
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