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Math Help - Differentiation by first principles?!?

  1. #1
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    Differentiation by first principles?!?

    Hey everyone
    So I had my first claculus test today and it was, well...hard! I just don't understand differentiation by first principles. I've tried various methods but it's just not making any sense to me. Does anyone know how to explain the concept in a fairly simple way that's easy to understand.
    Any help would be much appreciated
    Thanks
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  2. #2
    Junior Member lanzailan's Avatar
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    Quote Originally Posted by travntill View Post
    Hey everyone
    So I had my first claculus test today and it was, well...hard! I just don't understand differentiation by first principles. I've tried various methods but it's just not making any sense to me. Does anyone know how to explain the concept in a fairly simple way that's easy to understand.
    Any help would be much appreciated
    Thanks
    click here
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  3. #3
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    um thanks???
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  4. #4
    Like a stone-audioslave ADARSH's Avatar
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    I suggest that you read 1st and 2nd Post of The Perfect Hacker in this tutorial of his
    (and thank him if you find it useful )
    http://www.mathhelpforum.com/math-he...-tutorial.html
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  5. #5
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    Quote Originally Posted by travntill View Post
    um thanks???
    Did you try reading through that tutorial (not the TPH one, the first one)?
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  6. #6
    No one in Particular VonNemo19's Avatar
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    Quote Originally Posted by travntill View Post
    Hey everyone
    So I had my first claculus test today and it was, well...hard! I just don't understand differentiation by first principles. I've tried various methods but it's just not making any sense to me. Does anyone know how to explain the concept in a fairly simple way that's easy to understand.
    Any help would be much appreciated
    Thanks
    Differentiation by first priciples... Would you be refering to

    Definition of derivative: \lim_{\Delta{x}\to0}\frac{\Delta{y}}{\Delta{x}} ? Where y is a function of x?
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