document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=314137>Question 314137</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the sum of the series \r<BR>\n" );
document.write( "\n" );
document.write( "1^2 – 2^2 – 3^2 + 4^2 + 5^2 – 6^2 – 7^2 + 8^2 + … + 24^2? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #224606 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=224606\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Check the pattern of the \"-\" and \"+\" multipliers in front of the square terms. <BR>\n" );
document.write( "It's unclear what the pattern is for the numbers between 9 and 24. \r<BR>\n" );
document.write( "\n" );
document.write( "1 +<BR>\n" );
document.write( "2 -<BR>\n" );
document.write( "3 -<BR>\n" );
document.write( "4 +<BR>\n" );
document.write( "5 +<BR>\n" );
document.write( "6 -<BR>\n" );
document.write( "7 -<BR>\n" );
document.write( "8 +<BR>\n" );
document.write( "9 +<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "24 + </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );