document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=18422>Question 18422</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Could you please help me with this problem?\r<BR>\n" );
document.write( "\n" );
document.write( "  Slove the MAtrix equation <BR>\n" );
document.write( " |5   2|`````|4  3|  <BR>\n" );
document.write( " |2   1| X=  |1  -2|\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "                                                     Thanks a  lot<BR>\n" );
document.write( "                                                                  Kat </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #8834 by </B><A HREF=/tutors/aboutme.mpl?userid=khwang><B>khwang(438)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=khwang><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=8834\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> |5 2|`````|4 3| <BR>\n" );
document.write( "|2 1| X= |1 -2| \r<BR>\n" );
document.write( "\n" );
document.write( " The inverse of |5 2|<BR>\n" );
document.write( "                |2 1| is<BR>\n" );
document.write( "        |1 -2| <BR>\n" );
document.write( "        |-2 5|<BR>\n" );
document.write( " (since the inverse of }a b|   |d -b|<BR>\n" );
document.write( "                       |c d| = |-c a|/(ad-bc) )\r<BR>\n" );
document.write( "\n" );
document.write( " hence X  = |1 -2|   |4 3| <BR>\n" );
document.write( "            |-2 5| * |1 -2| <BR>\n" );
document.write( "            <BR>\n" );
document.write( "          = ...\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " Kenny\r<BR>\n" );
document.write( "\n" );
document.write( "  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );