document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=404132>Question 404132</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help :)\r<BR>\n" );
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document.write( "given: u = sqrt(x^2+y^2)\r<BR>\n" );
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document.write( "solve: [(du/dx)/(du/dy)] </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #285649 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=285649\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> given: u = sqrt(x^2+y^2) <BR>\n" );
document.write( "solve: [(du/dx)/(du/dy)]<BR>\n" );
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document.write( "du/dx = (1/2)(2x)/sqrt(x^2+y^2) = x/sqrt(x^2+y^2)<BR>\n" );
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document.write( "du/dy = (1/2)(2y)/sqrt(x^2+y^2) = y/sqrt(x^2+y^2)<BR>\n" );
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document.write( "Ans: x/y<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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