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Math Help - Differentiating from first principles

  1. #1
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    Differentiating from first principles

    Can someone please help me out with this problem:

    Differentiate g(x) = 1.7x - 1.7 from first principles.

    I've applied the formula, but am stuck after this step - g'(x) = lim(h->0) 1.7x (1.7h - 1) / h

    Thanks.
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  2. #2
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    Re: Differentiating from first principles

    Remember that lim x-> 0 (a^x-1)/x = loga to the base e. And you have the result.
    Thanks from Vishak
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