document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1068624>Question 1068624</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Consider the following matrix.\r<BR>\n" );
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document.write( "A =    \r<BR>\n" );
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document.write( "2,    0,      3,   <BR>\n" );
document.write( "1,    1,     -1,<BR>\n" );
document.write( "0,    1,     -2,  \r<BR>\n" );
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document.write( "Choose the correct description of A\r<BR>\n" );
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document.write( "Find  A^&#8722;1  if it exists.\r<BR>\n" );
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document.write( "Answer either Choice 1, or Choice 2: \r<BR>\n" );
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document.write( "CHOICE 1: \r<BR>\n" );
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document.write( "A is nonsingular; that is, it has an inverse. \r<BR>\n" );
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document.write( "A^-1 = _________\r<BR>\n" );
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document.write( "or CHOICE 2 :\r<BR>\n" );
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document.write( "A is singular; that is, it's inverse DOES NOT EXIST. \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #683902 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=683902\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Check A's determinant,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=abs%28A%29=1 ALIGN=MIDDLE  ALT=\"abs%28A%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The inverse does exist.<BR>\n" );
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