document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1023902>Question 1023902</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i) Find the first term of the geometric progression with r=-5 if the sum of the first 6 terms is 2604.                                                                                                                               <BR>\n" );
document.write( "(ii) Write down the first 6 terms of the geometric progression in (i) above.                        </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #639511 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=639511\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (i)  The formula for the sum of the first n terms of a GP is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5Bn%5D+=+g%5B1%5D%2A%28%281-r%5En%29%2F%281-r%29%29 ALIGN=MIDDLE  ALT=\"S%5Bn%5D+=+g%5B1%5D%2A%28%281-r%5En%29%2F%281-r%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2604+=+g%5B1%5D%2A%28%281-%28-5%29%5E6%29%2F%281--5%29%29 ALIGN=MIDDLE  ALT=\"2604+=+g%5B1%5D%2A%28%281-%28-5%29%5E6%29%2F%281--5%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15624+=+g%5B1%5D%28-15624%29 ALIGN=MIDDLE  ALT=\"15624+=+g%5B1%5D%28-15624%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=g%5B1%5D+=+-1 ALIGN=MIDDLE  ALT=\"g%5B1%5D+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "(ii) The first six terms are -1, 5, -25, 125, -625, 3125. </SPAN>\n" );
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