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gurly691
Average Member

USA
10 Posts

Posted - 07/11/2011 :  17:37:49  Show Profile  Reply with Quote
Let U = {0, 1, 2, 3, 4, 5,...},
A = {1, 2, 3, 4,...},
B = {4, 8, 12, 16,...}, and
C = {2, 4, 6, 8,...}. Determine the following:

A′ ∩ C
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the_hill1962
Advanced Member

USA
1468 Posts

Posted - 07/11/2011 :  17:55:13  Show Profile  Reply with Quote
So as not to do your work for you, please tell us what you know about the problem. For example, what is A' ?
Also, do you know what means?
After you tell us what you know or what you think you might do to try to solve it, then we will help.
Note to other tutors: I won't be online for a while to see if gurly691 replies to this.
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gurly691
Average Member

USA
10 Posts

Posted - 07/11/2011 :  18:17:42  Show Profile  Reply with Quote
I got:

A' ∩ C = {0} ∩ {2,4,6,8,..} = or {} or null set. I just want to be sure I am doing this correctly....
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the_hill1962
Advanced Member

USA
1468 Posts

Posted - 07/12/2011 :  13:32:47  Show Profile  Reply with Quote
Yes, you are correct.
Good work.
Let us know if you have any more problems.
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