May 17th, 2015, 09:19 AM  #1 
Senior Member Joined: Nov 2013 Posts: 434 Thanks: 8  Permutations
(a+b)P3=x and (ab)P2=y find x+y 
May 17th, 2015, 11:43 AM  #2  
Math Team Joined: Dec 2006 From: Lexington, MA Posts: 3,267 Thanks: 408  Hello, mared! Quote:
I'll let you simplify it.  

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