document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=93608>Question 93608</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395977258/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> can someone show me how to do this??? it says to find the sum of the following infinite series. if a series doesn't have a sum, say \"no sum\"<BR>\n" );
document.write( "the problem is 9 - 3 + 1 - 1/3 + 1/9 ......... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #68181 by </B><A HREF=/tutors/aboutme.mpl?userid=psbhowmick><B>psbhowmick(878)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=psbhowmick><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=psbhowmick><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=68181\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is an infinite Geometric Series with common ratio -<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F3 ALIGN=MIDDLE  ALT=\"1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > (0 < |-<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F3 ALIGN=MIDDLE  ALT=\"1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >| < 1) so this series is converging. <BR>\n" );
document.write( "Hence the sum is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2F%281-r%29+=+9%2F%281-%28-1%2F3%29%29=27%2F4 ALIGN=MIDDLE  ALT=\"a%2F%281-r%29+=+9%2F%281-%28-1%2F3%29%29=27%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Here a = first term and r = common ratio. </SPAN>\n" );
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