document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=109217>Question 109217</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321159365/algebrahomeworkh>precalculus</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I am not sure what they are asking here<BR>\n" );
document.write( "Calculate the following<BR>\n" );
document.write( "a. A*B<BR>\n" );
document.write( "b. -3A<BR>\n" );
document.write( "c. A^-1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #79638 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=79638\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If these are matrices, I need to know what their entries are in order to calculate the problem. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );