document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1201456>Question 1201456</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the sum of the first 103term of 18,26,34. . </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #835841 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=835841\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the sum of the first 103term of 18,26,34. .\r<BR>\n" );
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document.write( "26-18=8\r<BR>\n" );
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document.write( "34-26 =8\r<BR>\n" );
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document.write( "The difference between two consedutive term is 8\r<BR>\n" );
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document.write( "So the sequence is an AP\r<BR>\n" );
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document.write( "Sum of n terms of AP formula <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+Sn+=+%28n%2F2%29%2A%282%2Aa+%2B%28n-1%29%2Ad%29 ALIGN=MIDDLE  ALT=\"+Sn+=+%28n%2F2%29%2A%282%2Aa+%2B%28n-1%29%2Ad%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >3<BR>\n" );
document.write( "n=103<BR>\n" );
document.write( "a first term = 18<BR>\n" );
document.write( "d=8\r<BR>\n" );
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document.write( "S103 = (103/2)* (2*18 +(103-1)*8\r<BR>\n" );
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document.write( "= (103/2)*(36 + 102*8)\r<BR>\n" );
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document.write( "= (103/2)*852\r<BR>\n" );
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document.write( "= 43,878 the sum of the first 103 terms\r<BR>\n" );
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document.write( " </SPAN>\n" );
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