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March 16th, 2013, 07:08 PM  #1 
Senior Member Joined: Feb 2013 Posts: 114 Thanks: 0  theory of numbers
Find n, if is a perfect square. For, some Please guide further how to get the result... 
March 17th, 2013, 02:37 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,370 Thanks: 2007 
It's easier to complete the solution if you notice that n = 198 works.


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