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Math Help - Find derivative of f(x)=(x-1)^2+1

  1. #1
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    Find derivative of f(x)=(x-1)^2+1

    The problem is: Find the derivative of the function using the limit definition. f(x)=(x-1)^2+1

    Am I suppose to factor out the (x-1)^2 first? Or would I write it as: (x+h-1)^2+1-(x-1)^2+1?

    Please help me! Much appreciated!
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  2. #2
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    Re: Find derivative of f(x)=(x-1)^2+1

    \frac{[(x-1+h)^2+1] - [(x-1)^2 +1]}{h} you should end up with 2x-2 which is the same as 2(x-1)
    Last edited by Jonroberts74; February 17th 2014 at 06:24 PM.
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  3. #3
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    Re: Find derivative of f(x)=(x-1)^2+1

    Find derivative of f(x)=(x-1)^2+1-18-feb-14.png
    Attached Thumbnails Attached Thumbnails Find derivative of f(x)=(x-1)^2+1-19-jan-14.png  
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