document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=607697>Question 607697</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Evaluate the determinant: Please show me the steps.\r<BR>\n" );
document.write( "\n" );
document.write( "{{8,1,3},{2,-1,4},{1,-1,2}} </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #382951 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=382951\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Look up the following website: http://en.wikipedia.org/wiki/Determinant\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Basically the determinant is 8*det(A) - 1*det(B) + 3*det(C)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "where A,B,C are the matrices determined by truncating every entry in the same column or row as 8, 1, 3. In other words,\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "A = {{-1,4}{-1,2}}<BR>\n" );
document.write( "B = {{2,-4}{1,2}}<BR>\n" );
document.write( "C = {{2,-1}{1,-1}}\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Finding the determinant of a 2x2 matrix should be easy. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );