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Just some help with index notation

  1. Mar 11, 2009 #1
    1. The problem statement, all variables and given/known data

    hey just wondering if anyone could show the the working for the index notation in the attachment it would be greatfully appreciated. thanks. the answer is there im just looking for the working.

    2. Relevant equations

    3. The attempt at a solution

    Attached Files:

  2. jcsd
  3. Mar 12, 2009 #2


    Staff: Mentor

    These aren't indexes--they are exponents. Review the laws of exponents, particularly these two:

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