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Homework Help: Prove the Identity by Using a Sign Reversing Involution

  1. Nov 2, 2012 #1
    Prove the Identity by Using a Sign Reversing Involution (See Attachment)
     

    Attached Files:

    • 78.png
      78.png
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    Last edited: Nov 2, 2012
  2. jcsd
  3. Nov 2, 2012 #2
    I am not seeing an attachment.

    Is this homework or a question from a textbook??
     
  4. Nov 2, 2012 #3
    The attachment is there now, and no, it's not a homework question. I'm just trying to understand the involution and I wasn't sure where to post it as I haven't been on here in YEARS. Apologies if it is in the incorrect location.
     
  5. Nov 2, 2012 #4
    I'll move it to homework, since it seems to be a textbook-type problem.

    So what did you try to solve the problem? Where are you stuck?
     
  6. Nov 2, 2012 #5
    Pretty much at the beginning, I'm not even entirely sure how to approach the identity.
     
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