document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=169451>Question 169451</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given  A =  { 2, 4, 8 , 9 },  B  = { 5. 8. 9 },   C = { 8, 11, 12, 17 }  AND Universal Set  U =  { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17}  \r<BR>\n" );
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document.write( "find   <BR>\n" );
document.write( "a)    A U C        <BR>\n" );
document.write( "b) the intersection of A and B     <BR>\n" );
document.write( "c) the complement  <BR>\n" );
document.write( "d)  B U A U C  <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #125293 by </B><A HREF=/tutors/aboutme.mpl?userid=chiefman><B>chiefman(11)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=chiefman><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=chiefman><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=125293\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (a)A U C is<BR>\n" );
document.write( "{2,4,5,8,9}ie its the set of all elements that are in A and B<BR>\n" );
document.write( "(b)Aintersection B becomes<BR>\n" );
document.write( "{8,9} ie its the set of all alike elements in Aand B<BR>\n" );
document.write( "(c)your question seems to be incomplete since there should be a set of elements  say A or B that you should complement with U.<BR>\n" );
document.write( "Assuming the question was  A'(A complement)then we would have;<BR>\n" );
document.write( "{1,3,5,6,7,10,11,12,13,14,15,16,17}ie all elements in U that aren't in A<BR>\n" );
document.write( "(d)B U A U C<BR>\n" );
document.write( "first find B U A which is {2,4,5,8,9}<BR>\n" );
document.write( "then(B U A) U C which becomes {2,4,5,8,9,11,12,17}and hence the answer.<BR>\n" );
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