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Math Help - differentiate x/a

  1. #1
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    differentiate x/a

    Hello I need to differentiate 3x^2-x/2-7, and I can not figure out how to differentiate x/2

    Thanks.
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  2. #2
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    Quote Originally Posted by gtal3x View Post
    Hello I need to differentiate 3x^2-x/2-7, and I can not figure out how to differentiate x/2

    Thanks.
     <br />
\frac{d}{dx} \left(a x\right) = a<br />
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  3. #3
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    danny arrigo

    Thanks for reply, if I understood correct, that x/a = a (differentiated)? So 3x^2-x/2-7 = 6x-2 (differentiated)?
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    Quote Originally Posted by gtal3x View Post
    danny arrigo

    Thanks for reply, if I understood correct, that x/a = a (differentiated)? So 3x^2-x/2-7 = 6x-2 (differentiated)?
    No, he said the derivative of ax is a, not of x/a. x/a is (1/a)x. Now what is its derivative?
    Last edited by HallsofIvy; May 19th 2009 at 07:27 AM.
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