document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=825157>Question 825157</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the determinant of the matrix,\r<BR>\n" );
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document.write( "A=[1,2,3/-1,2,5/4,0,2] </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #497101 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=497101\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the determinant of the matrix,\r<BR>\n" );
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document.write( "A=[1,2,3/-1,2,5/4,0,2]<BR>\n" );
document.write( "|+1 2 3|<BR>\n" );
document.write( "|-1 2 5|<BR>\n" );
document.write( "|+4 0 2|<BR>\n" );
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document.write( "Det = 1*(4-0) - 2*(-2-20) + 3*(0-8)<BR>\n" );
document.write( "= 4 + 44 - 24<BR>\n" );
document.write( "= 24<BR>\n" );
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document.write( "Using the minors of the bottom row is easier, it has a zero.<BR>\n" );
document.write( "Det = 4*(10-6) + 2*(2+2)<BR>\n" );
document.write( "= 16 + 8<BR>\n" );
document.write( "= 24 </SPAN>\n" );
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