document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1143789>Question 1143789</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If y=x/x+1,dy/dx=?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #764705 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=764705\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "In many cases, finding the derivative is easier if you write the given function in a different form.  It's a technique you might want to look at to see if it works for you.<br><BR>\n" );
document.write( "In this example,<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+%28x%2F%28x%2B1%29%29+=+%28x%2B1%29%2F%28x%2B1%29-1%2F%28x%2B1%29+=+1-1%2F%28x%2B1%29+=+1-%28x%2B1%29%5E-1 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "Now finding the derivative only uses the power rule:<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=df%2Fdx+=+-%28-1%2F%28x%2B1%29%5E2%29+=+1%2F%28x%2B1%29%5E2 ALIGN=MIDDLE  ALT=\"df%2Fdx+=+-%28-1%2F%28x%2B1%29%5E2%29+=+1%2F%28x%2B1%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );