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Math Help - Derivatives of Quotients

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    Derivatives of Quotients

    Hi, I cannot get this question:

    f(x) = sqrt(3x)/(x^2-4), find f'(x) at x=3.

    I tried using the quotient rule but it doesn't work.
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  2. #2
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    Quote Originally Posted by millerst View Post
    Hi, I cannot get this question:

    f(x) = sqrt(3x)/(x^2-4), find f'(x) at x=3.

    I tried using the quotient rule but it doesn't work.
    f'(x) = \frac{(x^2-4) \cdot \frac{3}{2\sqrt{3x}} - \sqrt{3x} \cdot 2x}{(x^2-4)^2}<br />

    evaluate f'(3)
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