document.write( "Question 388242: If U={1,2,3,4,5,6,7,8,9,10} and A={1,2,3} B={2,4,6,8} C=(7,8,9,10}
\n" ); document.write( "What is A', B(upside down U)C and (B'U C)'? \n" ); document.write( "

Algebra.Com's Answer #275559 by CharlesG2(834) $\"\"$ $\"About$

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If U={1,2,3,4,5,6,7,8,9,10} and A={1,2,3} B={2,4,6,8} C=(7,8,9,10}
\n" ); document.write( "What is A', B(upside down U)C and (B'U C)'?\r
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\n" ); document.write( "\n" ); document.write( "U --> universe U --> contains all elements considered in this problem
\n" ); document.write( "A' --> complement of subset A --> all elements in U but not in A
\n" ); document.write( "A' = {4,5,6,7,8,9,10}
\n" ); document.write( "B' --> complement of subset B --> all elements in U but not in B
\n" ); document.write( "B' = {1,3,5,7,9,10}
\n" ); document.write( "C' --> complement of subset C --> all elements in U but not in C
\n" ); document.write( "C' = {1,2,3,4,5,6}
\n" ); document.write( "upside down U --> intersection --> where 2 sets overlap
\n" ); document.write( "B intersection C = what elements B shares with C = {} or the empty set
\n" ); document.write( "U symbol --> union --> all elements in 2 sets
\n" ); document.write( "B' union C = {1,3,5,7,8,9,10}
\n" ); document.write( "(B' union C)' = {2,4,6}
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