document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=833882>Question 833882</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the inidicated product:<BR>\n" );
document.write( "Let A = (3,4) and B =(x,y), determine n(A x B) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #502750 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=502750\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let A = (3,4) and B =(x,y), determine n(A x B)\r<BR>\n" );
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document.write( "recall that\r<BR>\n" );
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document.write( "AxB = {(a,b) | a Î A and b Î B }; \r<BR>\n" );
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document.write( "so, AxB = {(3,x), (3,y),(4,x),(4,y)}\r<BR>\n" );
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document.write( "and \r<BR>\n" );
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document.write( "n(A x B)=4\r<BR>\n" );
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document.write( "or this way: \r<BR>\n" );
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document.write( "n(A x B) = n(A) x n(B) \r<BR>\n" );
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document.write( "In this case, n(A) = 2, n(B) = 2, n(A x B) = 2*2=4.<BR>\n" );
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