document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=149909>Question 149909</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me find the inverse of: <BR>\n" );
document.write( "3  -1<BR>\n" );
document.write( "-2 1 <BR>\n" );
document.write( "All in brackets! If it exists!<BR>\n" );
document.write( "Thank you, Ray </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #110014 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=110014\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> See this http://mathworld.wolfram.com/MatrixInverse.html<BR>\n" );
document.write( "Find the inverse of <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%282%2C2%2C+3%2C-1%2C+-2%2C1%29 ALIGN=MIDDLE  ALT=\"matrix%282%2C2%2C+3%2C-1%2C+-2%2C1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Using the formula in the link above, find <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F%28ad-bc%29 ALIGN=MIDDLE  ALT=\"1%2F%28ad-bc%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F%283%2A%281%29-+%28-2%29%2A%28-1%29%29 ALIGN=MIDDLE  ALT=\"1%2F%283%2A%281%29-+%28-2%29%2A%28-1%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1 ALIGN=MIDDLE  ALT=\"1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So the inverse matrix is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%282%2C+2%2C+1%2C1%2C+2%2C3%29 ALIGN=MIDDLE  ALT=\"matrix%282%2C+2%2C+1%2C1%2C+2%2C3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Verify your result by multiplying the given matrix by the inverse and showing the result is the identity matrix <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%282%2C2%2C+1%2C0%2C0%2C1%29 ALIGN=MIDDLE  ALT=\"matrix%282%2C2%2C+1%2C0%2C0%2C1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  </SPAN>\n" );
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