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Old 2009-05-13, 08:10   #2
Batalov
 
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"Serge"
Mar 2008
Phi(4,2^7658614+1)/2

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Hmm...
a. Divide, and you will get something like ax+b+c/(3x-5) which will become easy.
b. Probably, the easiest to do the same as a.
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