document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=156061>Question 156061</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If A is a 5 × 5 matrix, then AI^-1 =\r<BR>\n" );
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document.write( "a. A^-1<BR>\n" );
document.write( "b. I<BR>\n" );
document.write( "c. A<BR>\n" );
document.write( "d. A^-1 I </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #115009 by </B><A HREF=/tutors/aboutme.mpl?userid=dave41082><B>dave41082(4)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dave41082><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=115009\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since I = I^-1, you simply have AI, and we know any matrix multiplied by I equals itself.\r<BR>\n" );
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document.write( "So the answer is A. </SPAN>\n" );
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