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December 4th, 2018, 09:34 AM  #1 
Newbie Joined: Dec 2018 From: United Kingdom Posts: 2 Thanks: 0  How would I solve these questions on Sets?
Does anyone know where I can answer questions like these? An online calculator or some sort?  Let A={1,2,3,4},B={3,5,7},C={2,3,4,5}A={1,2,3,4},B={3, 5,7},C={2,3,4,5} and D={6,7,8}  In the following, you may assume that N={1,2,3,4,....} and Z={...,−3,−2,−1,0,1,2,3,...} Which of the following apply?  And what can I use to find out how following statements are valid EG: {1,3,5,7,9,11,....}∪{2,4,6,8,10,....}=N Is there a calculator online I can use, or what I can view to solve these. Do let me know. Thanks 
December 4th, 2018, 01:17 PM  #2  
Global Moderator Joined: May 2007 Posts: 6,759 Thanks: 696  Quote:
 

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