document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1027238>Question 1027238</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The first three terms of a geometric progression are 4,2 and 1 the common ratio is 2.\r<BR>\n" );
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document.write( "I need to calculate the sum to infinity of its terms?<BR>\n" );
document.write( "Can someone explain step by step how to get the answer please, I would greatly appreciate it.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #642471 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=642471\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Recall the formula for an infinite geometric series:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\large a + ar + ar^2 + \ldots = \frac{a}{1-r}\"> if <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\large |r| < 1\">\r<BR>\n" );
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document.write( "Here, a = 4 and r = 1/2 (not 2!). Plug that in and you will get 8 as the sum. </SPAN>\n" );
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