August 25th, 2013, 08:25 AM  #1 
Newbie Joined: Jul 2013 Posts: 18 Thanks: 0  Quick question on Sets?
Given the set J={(x , y): x?? , y?? , 2x?y=4} , and the set K={( x , y): x?? , y?? , x?2y=1} what does the set J?K represent? does J?K represent the factors of 4? 
August 25th, 2013, 09:17 AM  #2  
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 937 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: Quick question on Sets? Quote:
Mechanically, you can write J?K = {(x , y): x?? , y?? , 2x?y=4 and x?2y=1} but you should simplify this.  
August 25th, 2013, 12:26 PM  #3  
Math Team Joined: Dec 2006 From: Lexington, MA Posts: 3,267 Thanks: 407  Re: Quick question on Sets? Hello, maths4computing! Quote:  
August 25th, 2013, 12:30 PM  #4  
Newbie Joined: Jul 2013 Posts: 18 Thanks: 0  Re: Quick question on Sets? Quote:
 

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