document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1202470>Question 1202470</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find S17 for the series 8  -  4 + 2  -  1+ ... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #837355 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=837355\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sn=(a1*(1−r^n))/(1−r)\r<BR>\n" );
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document.write( "a1=8<BR>\n" );
document.write( "r=-1/2<BR>\n" );
document.write( "S17 = ?\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S17+=+8%2A%281-%28-0.5%29%5E1%287%29%29%2F%281-%28-0.5%29%29 ALIGN=MIDDLE  ALT=\"S17+=+8%2A%281-%28-0.5%29%5E1%287%29%29%2F%281-%28-0.5%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "S17 =5.3333 </SPAN>\n" );
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