document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=204659>Question 204659</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi all, I was hoping someone could show me how to solve the following for the give matrix; <BR>\n" );
document.write( "A =  <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%0D%0A%28matrix%283%2C3%2C%0D%0A1%2C++2%2C++3%2C%0D%0A2%2C++1%2C+-1%2C%0D%0A2%2C++0%2C++1%29%0D%0A%29+%0D%0A ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a) Write the matrix 4A<BR>\n" );
document.write( "b) Use matrix multipication to find A^2 = AA\r<BR>\n" );
document.write( "\n" );
document.write( "Help on this problem with full working and explanations would be really helpful.<BR>\n" );
document.write( "Thnaks, -Nick<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 #154459 by </B><A HREF=/tutors/aboutme.mpl?userid=alicealc><B>alicealc(293)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=alicealc><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=154459\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a)<BR>\n" );
document.write( "4A =  <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2A%28matrix%283%2C3%2C%0D%0A1%2C++2%2C++3%2C%0D%0A2%2C++1%2C+-1%2C%0D%0A2%2C++0%2C++1%29%29%0D%0A ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%283%2C3%2C%0D%0A4%2A1%2C++4%2A2%2C++4%2A3%2C%0D%0A4%2A2%2C++4%2A1%2C+4%2A%28-1%29%2C%0D%0A4%2A2%2C++4%2A0%2C++4%2A1%29%29%0D%0A ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%283%2C3%2C%0D%0A4%2C++8%2C++12%2C%0D%0A8%2C++4%2C+-4%2C%0D%0A8%2C++0%2C++4%29%29%0D%0A ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "b)<BR>\n" );
document.write( "A*A=<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%283%2C3%2C%0D%0A1%2C++2%2C++3%2C%0D%0A2%2C++1%2C+-1%2C%0D%0A2%2C++0%2C++1%29%29%2A%28matrix%283%2C3%2C%0D%0A1%2C++2%2C++3%2C%0D%0A2%2C++1%2C+-1%2C%0D%0A2%2C++0%2C++1%29%29+%0D%0A ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%283%2C3%2C%0D%0A1%2A1%2B2%2A2%2B3%2A2%2C+1%2A2%2B2%2A1%2B3%2A0%2C+1%2A3%2B2%2A%28-1%29%2B3%2A1%2C%0D%0A2%2A1%2B1%2A2%2B%28-1%29%2A2%2C+2%2A2%2B1%2A1%2B%28-1%29%2A0%2C+2%2A3%2B1%2A%28-1%29%2B%28-1%29%2A1%2C%0D%0A2%2A1%2B0%2A2%2B1%2A2%2C+2%2A2%2B0%2A1%2B1%2A0%2C+2%2A3%2B0%2A%28-1%29%2B1%2A1%29%29%0D%0A ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%283%2C3%2C%0D%0A11%2C+4%2C+4%2C%0D%0A2%2C+5%2C+4%2C%0D%0A4%2C+4%2C+7%29%29%0D%0A ALIGN=MIDDLE  ALT=\"%28matrix%283%2C3%2C%0D%0A11%2C+4%2C+4%2C%0D%0A2%2C+5%2C+4%2C%0D%0A4%2C+4%2C+7%29%29%0D%0A\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );