document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=762559>Question 762559</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the value of the determinant? <BR>\n" );
document.write( "|3 6 8|<BR>\n" );
document.write( "|2 4 0|<BR>\n" );
document.write( "|3 6 8|\r<BR>\n" );
document.write( "\n" );
document.write( "I have absolutely not idea how to even start this problem! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #464056 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=464056\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the value of the determinant? <BR>\n" );
document.write( "|3 6 8|<BR>\n" );
document.write( "|2 4 0|<BR>\n" );
document.write( "|3 6 8|<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "Use minors<BR>\n" );
document.write( "Using the top row:<BR>\n" );
document.write( "Det = 3*minor1 - 6*minor2 + 8*minor3<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "For minors, cross off the row & column<BR>\n" );
document.write( "minor1 is<BR>\n" );
document.write( "|4 0|<BR>\n" );
document.write( "|6 8|<BR>\n" );
document.write( "etc<BR>\n" );
document.write( "------<BR>\n" );
document.write( "--> 3*(4*8 - 6*0) = 96 for minor1<BR>\n" );
document.write( "--> 6*(2*8 - 3*0) = -96 for minor 2<BR>\n" );
document.write( "--> 8*(2*6 - 3*4) = 0 for minor3<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Adding those --> Det = 0<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "Use google, wikipedia or youtube for more info </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );