document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=196951>Question 196951</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the arithmetic mean an of the given terms.\r<BR>\n" );
document.write( "\n" );
document.write( "1. an-1=0,an+1=5\r<BR>\n" );
document.write( "\n" );
document.write( "2. an-1=2/3,an+1=4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #147749 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=147749\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the arithmetic mean an of the given terms. <BR>\n" );
document.write( "1. an-1=0,an+1=5<BR>\n" );
document.write( "an+1 - an-1 = 2d<BR>\n" );
document.write( "2d = 5-1 = 4<BR>\n" );
document.write( "d = 2<BR>\n" );
document.write( "----<BR>\n" );
document.write( "an = 0+2<BR>\n" );
document.write( "an = 2<BR>\n" );
document.write( "----------------------------------- <BR>\n" );
document.write( "2. an-1=2/3,an+1=4\r<BR>\n" );
document.write( "\n" );
document.write( "an+1 - an-1 = 2d<BR>\n" );
document.write( "2d = 4-(2/3) ] 10/3<BR>\n" );
document.write( "d = 5/3<BR>\n" );
document.write( "---<BR>\n" );
document.write( "an = an-1 + d = (2/3) + 5/3 = 7/3<BR>\n" );
document.write( "=======================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );