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Thread: Delta Epsilon Limits (Everyone's Favorite!)

  1. #1
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    Hey, once again, I've completed the problem already, just want to check my work.
    Thanks in advance.
    (Not really sure what work/answer needs to be shown... but I've posted what I got also)

    lim(x/5)= 3/5 X->3
    I Got: 5epsilon

    lim(x/4)+3= 9/2 X->6
    I Got: 4epsilon

    lim( (x^2+x-6) / (x-2) )= 5 X->2
    I Got: epsilon

    lim( (9-4X^2) / (3+2x) )= X->-1.5
    I Got: epsilon/2

    lim(x)= a X->a
    I Got: epsilon

    lim( x^2 - 4x + 5 )=1 X->2
    I Got: sqrt(epsilon)

    lim( x^2 - 1)= 3 X->-2
    I Got: epsilon/5


    Get Workin'!

    Edit: Added the answers I got
    Last edited by YoHoJo; 02-28-2010 at 11:11 PM.

  2. #2
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    *googles define:epsilon*

    Wolfram alpha wont even touch it: (


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    this.

  3. #3
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    ugh, this is definitely one of those things I forgot most of.

    I question the second to last one:
    lim( x^2 - 4x + 5 )=1 X->2
    I Got: sqrt(epsilon)

    It seems to me you can't square root epsilon.

    Proofs were never my strong point. I don't think I could be of any more help.
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    do you actually get tested on this? Feel sorry for ya
    Oh Hai Dar

  5. #5
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    Quiz on it tomorrow, and will have a few (2-3?) problems on the test about it.
    Really think so? At first it was hard shit, and now its easy as diarrhea, I can blaze though the problems really fast, looking forward to some free points on the quiz which I need!

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