document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1035504>Question 1035504</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the sum<BR>\n" );
document.write( "a + (a + 1) + (a + 2) + ... + (a + n - 1)<BR>\n" );
document.write( "in terms of a and n.\r<BR>\n" );
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document.write( "Part (b): Find all pairs of positive integers (a,n) such that n>=2 and<BR>\n" );
document.write( "a + (a + 1) + (a + 2) + ... + (a + n - 1) = 100.\r<BR>\n" );
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document.write( "note: >= means greater than or equal to. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #650167 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52786)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=650167\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "Find the sum<BR>\n" );
document.write( "a + (a + 1) + (a + 2) + ... + (a + n - 1)<BR>\n" );
document.write( "in terms of a and n.\r<BR>\n" );
document.write( "\n" );
document.write( "Part (b): Find all pairs of positive integers (a,n) such that n>=2 and<BR>\n" );
document.write( "a + (a + 1) + (a + 2) + ... + (a + n - 1) = 100.\r<BR>\n" );
document.write( "\n" );
document.write( "note: >= means greater than or equal to.<BR>\n" );
document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r<BR>\n" );
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document.write( "Learn about Arithmetic progressions and about the formula for the sum of arithmetic progression,<BR>\n" );
document.write( "for example, from this lesson <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/Sequences-and-series/Arithmetic-progressions.lesson>Arithmetic progressions</A>.\r<BR>\n" );
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document.write( "Then apply it to your arithmetic progression.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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