document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1005334>Question 1005334</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the sum of the first 6 terms of the Geometric progression : 18,6,2, ............. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #621631 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=621631\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> common ratio is 1/3 by inspection<BR>\n" );
document.write( "s=a1(1-r^n)/(1-r)<BR>\n" );
document.write( "s=18*(1-1/729)/(2/3)<BR>\n" );
document.write( "s=18(728/729)/(2/3)<BR>\n" );
document.write( "18*3/2, invert divisor=27<BR>\n" );
document.write( "27*(728/729), 27 divides into 729 27 times<BR>\n" );
document.write( "it is 26  and 26/27<BR>\n" );
document.write( "terms are 18,6,2,(2/3),(2/9),and (2/27)<BR>\n" );
document.write( "They add to 26 26/27<BR>\n" );
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