document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=132993>Question 132993</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Rationalize the denominator.  Assume that all expressions under radicals represent positive numbers.\r<BR>\n" );
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document.write( "(sqrt (c) - sqrt (d)) / (sqrt (c) + sqrt (d)) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #97246 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=97246\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rationalize the denominator. Assume that all expressions under radicals represent positive numbers. <BR>\n" );
document.write( "(sqrt (c) - sqrt (d)) / (sqrt (c) + sqrt (d))<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Multiply numerator and denominator by (sqrt(c)-sqrt(d)) to get:<BR>\n" );
document.write( "[sqrt(c)-sqrt(d)]^2/[c-d]\r<BR>\n" );
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document.write( "= [c+d -2sqrt(cd)]/(c-d)\r<BR>\n" );
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document.write( "============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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