document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=161287>Question 161287</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the first 10 terms of each sequence:<BR>\n" );
document.write( "An=An-1+2xAn-2<BR>\n" );
document.write( "A1 = 1 A2 = 5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #118776 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=118776\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I'll do the next few, you pick it up from there and do the rest. You are given<BR>\n" );
document.write( "a[x] = a[x-1] + 2* a[x-2] <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B1%5D+=+1 ALIGN=MIDDLE  ALT=\"a%5B1%5D+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B2%5D+=+2 ALIGN=MIDDLE  ALT=\"a%5B2%5D+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "To find <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B3%5D ALIGN=MIDDLE  ALT=\"a%5B3%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a[x] = a[x-1] + 2*a[x-2]<BR>\n" );
document.write( "a[3] = a[3-1] + 2*a[3-2]<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B3%5D+=+a%5B2%5D+%2B+2%2Aa%5B1%5D ALIGN=MIDDLE  ALT=\"a%5B3%5D+=+a%5B2%5D+%2B+2%2Aa%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B3%5D+=+2+%2B+2%2A1 ALIGN=MIDDLE  ALT=\"a%5B3%5D+=+2+%2B+2%2A1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B3%5D+=+4 ALIGN=MIDDLE  ALT=\"a%5B3%5D+=+4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( "To find <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B4%5D ALIGN=MIDDLE  ALT=\"a%5B4%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a[x] = a[x-1] + 2*a[x-2]<BR>\n" );
document.write( "a[4] = a[4-1] + 2*a[4-2]<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B4%5D+=+a%5B3%5D+%2B+2%2Aa%5B2%5D ALIGN=MIDDLE  ALT=\"a%5B4%5D+=+a%5B3%5D+%2B+2%2Aa%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B4%5D+=+4+%2B+2%2A2 ALIGN=MIDDLE  ALT=\"a%5B4%5D+=+4+%2B+2%2A2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B4%5D+=+8 ALIGN=MIDDLE  ALT=\"a%5B4%5D+=+8\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "and so on. On each iteration, you bump the number s up by one. You then need the previous two answers in order to solve for the new x.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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