document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1161351>Question 1161351</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Is it B? I wantt to check my answer.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Given matrix A and B both have dimensions 2 x 2 and are the inverse of one another what should be the following product?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "A · B\r<BR>\n" );
document.write( "\n" );
document.write( "A.\r<BR>\n" );
document.write( "\n" );
document.write( "B.\r<BR>\n" );
document.write( "\n" );
document.write( "C.\r<BR>\n" );
document.write( "\n" );
document.write( "D.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The question is provided in the link here: https://i.imgur.com/ZGZXAlP.png </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #784859 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=784859\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> yes, it is B\r<BR>\n" );
document.write( "\n" );
document.write( "Given matrix <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+ ALIGN=MIDDLE  ALT=\"A+\"   DISABLED_style= \"max-width:90%; height:auto;\" >and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B+ ALIGN=MIDDLE  ALT=\"B+\"   DISABLED_style= \"max-width:90%; height:auto;\" > are the inverse of one another, means <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B=A%5E-1 ALIGN=MIDDLE  ALT=\"B=A%5E-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%2AA%5E-1=I ALIGN=MIDDLE  ALT=\"A%2AA%5E-1=I\"   DISABLED_style= \"max-width:90%; height:auto;\" > => identity matrix is =<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%282%2C2%2C1%2C0%2C0%2C1%29 ALIGN=MIDDLE  ALT=\"matrix%282%2C2%2C1%2C0%2C0%2C1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );