IMO 2005-4

Discussion on International Mathematical Olympiad (IMO)
ishfaqhaque
Posts: 20
Joined: Thu Dec 09, 2010 3:30 pm

Re: IMO 2005-4

Unread post by ishfaqhaque » Wed Jan 05, 2011 2:03 pm

Hint: play with the equation and then try to use fermat's little theorem

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