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Small proof

  1. Sep 27, 2006 #1

    how r u all

    i have a small problem with this proof

    i want the solution without using double integral

    that `s the proof

  2. jcsd
  3. Sep 27, 2006 #2
  4. Sep 27, 2006 #3


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    Are these homework problems?

    We do not do homework problems for you. If you show us your work, we can help you when you get stuck.

    - Warren
  5. Sep 27, 2006 #4


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    It's 42. That's always the answer.
  6. Sep 28, 2006 #5
    Kalaza did you work out a method in the end?
    Is this a homework question or not?
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