document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=84472>Question 84472</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0534465390/algebrahomeworkh>finite mathmatics</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> [1 -1 0]<BR>\n" );
document.write( "[0 1 1]<BR>\n" );
document.write( "[1 0 -1]\r<BR>\n" );
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document.write( "What is the inverse of this matrix? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #60838 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=60838\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> SEE THE FOLLOWING EXAMPLE AND TRY.<BR>\n" );
document.write( "IF IN DIFFICULTY PLEASE COME BACK\r<BR>\n" );
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document.write( "find the inverse, if it exists,in the matrix. I am not sure and don't understand how to do the inverse. I used the underscore to separate the numbers within the matrix.<BR>\n" );
document.write( "2_ 0_ 4<BR>\n" );
document.write( "3_ 1_ 5<BR>\n" );
document.write( "-1_1_-2<BR>\n" );
document.write( "SEE THE FOLLOWING WORK<BR>\n" );
document.write( "1.FRAME AUGMENTED MATRIX ADDING UNIT MATRIX OF ORDER(3,3)<BR>\n" );
document.write( "2.BY SERIES OF OPERATIONS INDICATED ,MAKE A AS UNIT MATRIX..<BR>\n" );
document.write( "THEN RHS MATRIX BECOMES INVERSE.<BR>\n" );
document.write( "NR1=NEW ROW1…….R1=OLD ROW 1 ETC..<BR>\n" );
document.write( "2 0 4 1 0 0<BR>\n" );
document.write( "3 1 5 0 1 0<BR>\n" );
document.write( "-1 1 -2 0 0 1<BR>\n" );
document.write( "NR1=R1/2……..NR2=R2-3R1/2……NR3=R3+R1/2………<BR>\n" );
document.write( "1 0 2 0.5 0 0<BR>\n" );
document.write( "0 1 -1 -1.5 1 0<BR>\n" );
document.write( "0 1 0 0.5 0 1<BR>\n" );
document.write( "NR3=R3-R2<BR>\n" );
document.write( "1 0 2 0.5 0 0<BR>\n" );
document.write( "0 1 -1 -1.5 1 0<BR>\n" );
document.write( "0 0 1 2 -1 1<BR>\n" );
document.write( "NR2=R2+R3………….NR1=R1-2R3<BR>\n" );
document.write( "1 0 0 -3.5 2 -2<BR>\n" );
document.write( "0 1 0 0.5 0 1<BR>\n" );
document.write( "0 0 1 2 -1 1<BR>\n" );
document.write( "INVERSE IS<BR>\n" );
document.write( "-3.5 2 -2<BR>\n" );
document.write( "0.5 0 1<BR>\n" );
document.write( "2 -1 1<BR>\n" );
document.write( "IF IN DOUBT PLEASE COME BACK  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );