document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=149567>Question 149567</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me find the inverse matrix of:<BR>\n" );
document.write( "3  1  2<BR>\n" );
document.write( "3  2 -1<BR>\n" );
document.write( "1  1  1<BR>\n" );
document.write( "Thanks, Lindsey </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #109799 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=109799\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3 1 2<BR>\n" );
document.write( "3 2 -1<BR>\n" );
document.write( "1 1 1<BR>\n" );
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document.write( "http://www.hostsrv.com/webmab/app1/MSP/quickmath/02/pageGenerate?site=mathcom&s1=matrices&s2=inverse&s3=basic<BR>\n" );
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document.write( "There's info and a tutorial there.<BR>\n" );
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document.write( "The inverse times 7 is:<BR>\n" );
document.write( "3  1  -5<BR>\n" );
document.write( "-4 1   9<BR>\n" );
document.write( "1 -2   3\r<BR>\n" );
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document.write( "*** all divided by 7.\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );