document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=34411>Question 34411</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321279085/algebrahomeworkh>College Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> 1)	Use the arithmetic sequence of numbers 1, 3, 5, 7, 9,…to find the following:<BR>\n" );
document.write( "a)	What is d, the difference between any 2 terms? \r<BR>\n" );
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document.write( "b)	Using the formula for the nth term of an arithmetic sequence, what is 101st term? \r<BR>\n" );
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document.write( "c)	Using the formula for the sum of an arithmetic series, what is the sum of the first 20 terms? \r<BR>\n" );
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document.write( "d)	Using the formula for the sum of an arithmetic series, what is the sum of the first 30 terms? \r<BR>\n" );
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document.write( "e)	What observation can you make about these sums of this series (HINT: They tell me it would be beneficial to find a few more sums like the sum of the first 2, then the first 3, etc.)?  Help, Help, Help Please?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #20664 by </B><A HREF=/tutors/aboutme.mpl?userid=mukhopadhyay><B>mukhopadhyay(490)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mukhopadhyay><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=20664\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) Difference is 2;<BR>\n" );
document.write( "b) a(101) = 1+(101-1)(2) = 1+200 = 201;<BR>\n" );
document.write( "c) S(20) = 20(1 + 19(2)/2) = 20(1+19) = 400;<BR>\n" );
document.write( "d) S(30) = 30(1 + (29)2/2) = 30(30) = 900 <BR>\n" );
document.write( "e) Observation : Sum is the same as the square of the number of terms. </SPAN>\n" );
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