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Math Help - second derivative check..

  1. #1
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    second derivative check..

    f (x) = [x+1]/[x-1]
    i got
    f ''(x) = [12x+4]/[(x-1)^3]
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  2. #2
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    Quote Originally Posted by maybnxtseasn View Post
    f (x) = [x+1]/[x-1]
    i got
    f ''(x) = [12x+4]/[(x-1)^3]
    Use this website to check it: Wolfram|Alpha
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  3. #3
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    Quote Originally Posted by maybnxtseasn View Post
    f (x) = [x+1]/[x-1]
    i got
    f ''(x) = [12x+4]/[(x-1)^3]
    that's correct according to ...

    webMathematica Explorations: Step-by-Step Derivatives
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