document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=249028>Question 249028</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I can't seem to figure out how to calculate this one.  Can you please help?\r<BR>\n" );
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document.write( "Rationalize the denominator and simplify.\r<BR>\n" );
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document.write( "Square root of 81 over 40 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #181427 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=181427\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sqrt(81/40)<BR>\n" );
document.write( "=9/sqrt(4*10)<BR>\n" );
document.write( "=9/2sqrt(10)<BR>\n" );
document.write( "=9/2sqrt(10) * sqrt(10)/sqrt(10) In order to have a rational denominator.<BR>\n" );
document.write( "=9sqrt(10)/20<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
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