document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=346215>Question 346215</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I find the inverse of [5 3]<BR>\n" );
document.write( "                             [7 9]? (That's supposed to be a matrix, I didn't know how to make one on here)<BR>\n" );
document.write( "So far I have gotten the determinant of 21 but I don't remember what to do from there.\r<BR>\n" );
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document.write( "Thanks<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 #247564 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=247564\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> [A]=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C2%2Ca%2Cb%2Cc%2Cd%29%29 ALIGN=MIDDLE  ALT=\"%28matrix%282%2C2%2Ca%2Cb%2Cc%2Cd%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D ALIGN=MIDDLE  ALT=\"D\"   DISABLED_style= \"max-width:90%; height:auto;\" >=det([A])<BR>\n" );
document.write( "The inverse of a 2x2 matrix, [A], is given by,<BR>\n" );
document.write( "[A]inv=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2FD%29%2A%28matrix%282%2C2%2Cd%2C-b%2C-c%2Ca%29%29 ALIGN=MIDDLE  ALT=\"%281%2FD%29%2A%28matrix%282%2C2%2Cd%2C-b%2C-c%2Ca%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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