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Derivatives. Help please

  1. Nov 2, 2011 #1

    nyr

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    Is this work right?...
     
    Last edited: Nov 2, 2011
  2. jcsd
  3. Nov 2, 2011 #2

    Dick

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    Looks fine to me!
     
  4. Nov 2, 2011 #3

    Mark44

    Staff: Mentor

    Yes.
    Yes. Good job!
     
  5. Nov 2, 2011 #4

    nyr

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    Alright thanks guys!
    So for example if it said f '(3) I would only use the x values at 3 which are [2,1,3,-1]?
     
  6. Nov 2, 2011 #5

    Ray Vickson

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    What do _you_ think? You know the answer; you just need to be more confident.

    RGV
     
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