document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1112697>Question 1112697</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a.For matrix A = <BR>\n" );
document.write( "( 5 7 2 )<BR>\n" );
document.write( "( 9 6 4 )<BR>\n" );
document.write( "( 3 2 1 ) and  \r<BR>\n" );
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document.write( "B = <BR>\n" );
document.write( "(4 7 3) <BR>\n" );
document.write( "(1 1 3) <BR>\n" );
document.write( "(8 2 4)\r<BR>\n" );
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document.write( "find 3A &#8722; 2B. <BR>\n" );
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document.write( "b.  For matrix C = <BR>\n" );
document.write( "(1 7 2 )<BR>\n" );
document.write( "(5 0 7 )<BR>\n" );
document.write( "(4 2 6 ) and\r<BR>\n" );
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document.write( "D = <BR>\n" );
document.write( "(9 3 4) <BR>\n" );
document.write( "(2 6 3)<BR>\n" );
document.write( "(7 2 1)\r<BR>\n" );
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document.write( "find  CD. <BR>\n" );
document.write( "  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #727747 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52777)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=727747\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "a)  Into each cell of the 3x3 matrix  (3A - 2B)  put the difference \"3a - 2b\" of the corresponding values from the corresponding cells \r\n" );
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document.write( "    of the original matrices  A  and  B.\r\n" );
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document.write( "    There is NOTHING EASIER.\r\n" );
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document.write( "b)  Open your textbook.\r\n" );
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document.write( "    Read and learn the definition of the matrix product from there.\r\n" );
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document.write( "    Then complete your assignment on your own.\r\n" );
document.write( "</PRE>\r<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );