How do I do this? Freshman in need of serious help A={3,6,7,12} B={1,3,5,7,15} C={6,7,11,15} (A"union"B)"intersection"C
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People please answer. I don't have the symbol for union and intersection on my laptop. That's why I put the words in parenthesis.
Originally Posted by tukeywilliams Ok why did you get rid of the eleven. can you explain (so I can explain it in class)?
There's no in but there is an in . So and do not share as a common element (i.e. the intersection between these two sets does not contain ).
Originally Posted by tukeywilliams There's no in but there is an in . So and do not share as a common element (i.e. the intersection between these two sets does not contain ). Oh, I see. You only keep common numbers/elements. Sorry for seeming like a noob. My teacher didn't teach us this.
yes that is correct.
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