document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=61512>Question 61512</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use calculus to determine the relative extrema of f(x)=x-lnx\r<BR>\n" );
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document.write( "Find the equation of the tangent line at x=1\r<BR>\n" );
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document.write( "please help, i'm so confused! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #42344 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=42344\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use calculus to determine the relative extrema of <BR>\n" );
document.write( " f(x)=x-lnx <BR>\n" );
document.write( "DF/DX =1-1/X = 0 AT EXTREMUM<BR>\n" );
document.write( "X =1<BR>\n" );
document.write( "D^F/DX^2 = 1/X^2 = 1/1=+VE <BR>\n" );
document.write( "HENCE X=1 IS A MINIMUM<BR>\n" );
document.write( "SLOPE OF TANGENT AT X=1 DY/DX AT X=1........THAT IS M = 0\r<BR>\n" );
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document.write( "AT X=1 ..Y = 1-LN1 =1<BR>\n" );
document.write( "HENCE EQN.OF TANGENT AT X=1,Y=1 IS <BR>\n" );
document.write( "Y-1=M(X-1)=0<BR>\n" );
document.write( "Y = 1 IS THE EQN. OF THE TANGENT AT X=1\r<BR>\n" );
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document.write( "Find the equation of the tangent line at x=1 <BR>\n" );
document.write( "please help, i'm so confused!<BR>\n" );
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