document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=270288>Question 270288</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to find the derivative of these two questions. Can you please help me?\r<BR>\n" );
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document.write( "y= tan^-1 x/2\r<BR>\n" );
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document.write( "y= 2square root x  subtract 1/2squarerootx\r<BR>\n" );
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document.write( "Thankyou. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #198052 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=198052\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I need to find the derivative of these two questions. Can you please help me? <BR>\n" );
document.write( "y= tan^-1 (x/2)<BR>\n" );
document.write( "y' = (1/2)*1/(1 + (x/2)^2) = 1/(2*(1 + x^2/4))<BR>\n" );
document.write( "y' = 1/(2*(4+x^2)/4) = 1/((x^2+4)/2)<BR>\n" );
document.write( "y' = 2/(x^2 + 4)<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "y= 2square root x subtract 1/2squarerootx<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+2x%5E%281%2F2%29+-+%281%2F2%29%2Ax%5E%28-1%2F2%29 ALIGN=MIDDLE  ALT=\"y+=+2x%5E%281%2F2%29+-+%281%2F2%29%2Ax%5E%28-1%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ?? some ambiguity in the problem stated<BR>\n" );
document.write( "y' = x^(-1/2) + (1/4)x^(-3/2)<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "y' = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28x%29%2A%284x%2B1%29%2F%284x%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%28x%29%2A%284x%2B1%29%2F%284x%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
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