document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1184161>Question 1184161</A>: <I><SPAN STYLE=\"word-break: break-all;\"> On what condition the property holds in matrices <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A%5E2+-+B%5E2 ALIGN=MIDDLE  ALT=\"+A%5E2+-+B%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = (A - B).(A + B) where A and B are square matrices of order 'n'. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #814693 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52788)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=814693\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "It is &nbsp;TRUE &nbsp;if and only if &nbsp;&nbsp;AB = BA.\r<BR>\n" );
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