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hi

how r u all

i have a small problem with this proof

i want the solution without using double integral

that `s the proof

http://s07.picshome.com/ce2/aaa.jpg [Broken]

how r u all

i have a small problem with this proof

i want the solution without using double integral

that `s the proof

http://s07.picshome.com/ce2/aaa.jpg [Broken]

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