document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=962549>Question 962549</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A function is defined as f(x)= 2x+1.the value of  X for which f(x), f(2x),f(4x) are in GP </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #588129 by </B><A HREF=/tutors/aboutme.mpl?userid=amarjeeth123><B>amarjeeth123(569)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amarjeeth123><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=588129\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)= 2x+1<BR>\n" );
document.write( "f(2x)=4x+1<BR>\n" );
document.write( "f(4x)=8x+1<BR>\n" );
document.write( "f(x), f(2x),f(4x) are in GP<BR>\n" );
document.write( "f(2x)/f(x)=f(4x)/f(2x)<BR>\n" );
document.write( "(f(2x))^2=f(x)*f(4x)<BR>\n" );
document.write( "(4x+1)^2=(2x+1)(8x+1)<BR>\n" );
document.write( "16x^2+8x+1=16x^2+8x+2x+1<BR>\n" );
document.write( "2x=0<BR>\n" );
document.write( "x=0 is the answer. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );