document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=987846>Question 987846</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How to find the sum of 2+4+6+8+...+130+132 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #608552 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=608552\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How to find the sum of 2+4+6+8+...+130+132 <BR>\n" );
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document.write( "Aritmetic series with a(1) = 2 and d = 2<BR>\n" );
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document.write( "a(n) = 2 + (n-1)2 = 132<BR>\n" );
document.write( "(n-1)2 = 130<BR>\n" );
document.write( "n-1 = 65<BR>\n" );
document.write( "n = 66<BR>\n" );
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document.write( "S(n) = (n/2)(a+a(n))<BR>\n" );
document.write( "S(66) = 33(2+132) = 33(134) = 4422<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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