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Math Help - Derivatives.

  1. #1
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    Derivatives.

    Hi All,
    Can somebody solve these so that i can check my answers?

    differentiate:

    1. (4x^3 + 3x^2 + 2x + 1)^5

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

    3. x^4 Cos x

    4. ln(2x+5/3x+6)

    5. 4e2x+5

    6. 5x^3-2x+1/4SQRT(x)

    Much appreciated
    Last edited by mr fantastic; July 30th 2011 at 02:40 PM. Reason: Re-titled.
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  2. #2
    Member anonimnystefy's Avatar
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    Re: Please solve

    hi celtic

    why don't you post your answers here and than we can confirm if they are correct.
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  3. #3
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    mr fantastic's Avatar
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    Re: Please solve

    Quote Originally Posted by celtic1234 View Post
    Hi All,
    Can somebody solve these so that i can check my answers?

    differentiate:

    1. (4x^3 + 3x^2 + 2x + 1)^5

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

    3. x^4 Cos x

    4. ln(2x+5/3x+6)

    5. 4e2x+5

    6. 5x^3-2x+1/4SQRT(x)

    Much appreciated
    Please don't post more than two questions in a thread. Otherwise the thread can get convoluted and difficult to follow. See rule #8: http://www.mathhelpforum.com/math-he...hp?do=vsarules.

    For the above, go to differentiate (4x^3 + 3x^2 + 2x + 1)^5 - Wolfram|Alpha

    Click on Show steps.

    Thread closed.
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