document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=286880>Question 286880</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what are the last three terms of the expansion (a-b)7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #208036 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=208036\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> what are the last three terms of the expansion (a-b)7<BR>\n" );
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document.write( "6th term: 7C2(a)^2(-b)^5 = -21a^2b^5<BR>\n" );
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document.write( "7th term: 7C1(a)^1(-b)^6 = 7ab^6<BR>\n" );
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document.write( "8th term: 7C0(a)^0(-b)^7 = -b^7<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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