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Covariant notation

  1. Jul 24, 2012 #1
    I posted this question in homeworks section but no one can help, or seems unable to answer my question. I am hoping if I post it here, someone might be able to clear it up for me:


    Thanks in advance.
  2. jcsd
  3. Jul 24, 2012 #2


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    Science Advisor

    Answered in original homework thread.
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