document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=166219>Question 166219</A>: <I><SPAN STYLE=\"word-break: break-all;\"> can someone please help:\r<BR>\n" );
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document.write( "Determine whether the two matrices are inverses of each other by computing their product.\r<BR>\n" );
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document.write( "1. <BR>\n" );
document.write( "2, -1, 0<BR>\n" );
document.write( "-1, 1, -2<BR>\n" );
document.write( "1, 0, -1\r<BR>\n" );
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document.write( "2. <BR>\n" );
document.write( "1, -1, 2<BR>\n" );
document.write( "-3, -2, 4<BR>\n" );
document.write( "-1, 1, 1\r<BR>\n" );
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document.write( "yes or no </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #122505 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=122505\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Multiply rows of the first matrix by columns of the second matrix to get the product. <BR>\n" );
document.write( "Example: First entry of the product matrix, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5B1%2C1%5D ALIGN=MIDDLE  ALT=\"P%5B1%2C1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5B1%2C1%5D=2%281%29%2B%28-1%29%28-3%29%2B0%28-1%29=2%2B3%2B0=5 ALIGN=MIDDLE  ALT=\"P%5B1%2C1%5D=2%281%29%2B%28-1%29%28-3%29%2B0%28-1%29=2%2B3%2B0=5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5B1%2C2%5D=2%28-1%29%2B%28-1%29%28-2%29%2B0%281%29=-2%2B2%2B0=0 ALIGN=MIDDLE  ALT=\"P%5B1%2C2%5D=2%28-1%29%2B%28-1%29%28-2%29%2B0%281%29=-2%2B2%2B0=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5B1%2C3%5D=2%282%29%2B%28-1%29%284%29%2B0%281%29=4-4%2B0=0 ALIGN=MIDDLE  ALT=\"P%5B1%2C3%5D=2%282%29%2B%28-1%29%284%29%2B0%281%29=4-4%2B0=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%283%2C3%2C2%2C-1%2C+0%2C%0D%0A-1%2C+1%2C+-2%2C%0D%0A1%2C+0%2C+-1+%29%29%2A%28matrix%283%2C3%2C+%0D%0A1%2C+-1%2C+2%2C%0D%0A-3%2C+-2%2C+4%2C%0D%0A-1%2C+1%2C+1+%29%29=%28matrix%283%2C3%2C%0D%0A5%2C0%2C0%2C%0D%0A-2%2C-3%2C0%2C%0D%0A2%2C-2%2C1%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );