document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=620344>Question 620344</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the sum of the infinite geometric series:1+1/3+1/9+1/27+1/81..... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #390078 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=390078\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the sum of the infinite geometric series:1+1/3+1/9+1/27+1/81.....<BR>\n" );
document.write( ".<BR>\n" );
document.write( "the common ratio 'r' is 1/3<BR>\n" );
document.write( ".<BR>\n" );
document.write( "S = a1/(1-r)<BR>\n" );
document.write( "S = 1/(1-1/3)<BR>\n" );
document.write( "S = 1/(3/3-1/3)<BR>\n" );
document.write( "S = 1/(2/3)<BR>\n" );
document.write( "S = 3/2 (answer)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );