document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=777820>Question 777820</A>: <I><SPAN STYLE=\"word-break: break-all;\"> use mathematical induction to prove that<BR>\n" );
document.write( "1+r+rkwadraat+r tot die derdemag+...+r tot die mag n-1=1-r tot die mag n gedeel deur 1-r\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #474290 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=474290\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Br%2Br%5E2%2B%22+...%2B%22r%5E%28n-1%29=%281-r%5En%29%2F%281-r%29 ALIGN=MIDDLE  ALT=\"1%2Br%2Br%5E2%2B%22+...%2B%22r%5E%28n-1%29=%281-r%5En%29%2F%281-r%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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