I have difficulty to solve this problem...plz help me
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use ........(I) In the last integral Let now substitute this back in (I) to finish..
Last edited by harish21; Nov 30th 2010 at 04:04 PM. Reason: typo
Originally Posted by harish21 use ........(I) In the last integral Let now substitute this back in (I) to finish.. Very nice, indeed! As I knew it took at least twice more calculations. Just a little observation: in the last line, first integral from the right, the lower limit must be , not minust this. Tonio
great work
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