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Math Help - Help finding derivative

  1. #1
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    Help finding derivative

    (4x+3)/(3x^2+4)

    Thanks.
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  2. #2
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    Quote Originally Posted by beachbunny619 View Post
    (4x+3)/(3x^2+4)

    Thanks.
    Use the quotient rule (f'g - g'f) / g^2, where f = 4x+3 and g = 3x^2+4.
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  3. #3
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    Quote Originally Posted by ecopetition View Post
    Use the quotient rule (f'g - g'f) / g^2, where f = 4x+3 and g = 3x^2+4.
    huh?
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  4. #4
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    If you don't know how to do that use the product rule, (4x+3)(3x^2+4)^-1 ?
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  5. #5
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    Quote Originally Posted by ecopetition View Post
    If you don't know how to do that use the product rule, (4x+3)(3x^2+4)^-1 ?
    Heres what I got:
    -2*(6*x^2+9x+8)/(3*x^2+4)^2

    But thats not right?
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