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Give me please hint

  1. Mar 16, 2004 #1
    i want to prove this equality:


    it is trivial to show that it holds for all points outside small certain region around r=0
    in this case both sides of equality are 0

    i have a dificulty in proving the equality in region r~0

    so please give some hint how to attack this thing...:smile:
    Last edited: Mar 16, 2004
  2. jcsd
  3. Mar 16, 2004 #2


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    Integrate over a region containing r=0 using spherical coordinates
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