document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=72460>Question 72460</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine the coefficent of the term containing a^5 in the expansion of \r<BR>\n" );
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document.write( "(a - 1/a)^5\r<BR>\n" );
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document.write( "I got 1 for the coefficent of a^5. However, I can not read my teachers writing and I think that the the question could be, \"Determine the coefficent of the term containing a in the expansion of (a - 1/a)^5\". If this is the case I am not sure of the coefficent since there are two a's and when you expand using binomial expansion, there are two possible terms that have a values (either multipy the a's together to get a or there is just an a in one of the terms).\r<BR>\n" );
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document.write( "Thank you,<BR>\n" );
document.write( "Kristen <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 #51783 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=51783\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Determine the coefficent of the term containing a^5 in the expansion of \r<BR>\n" );
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document.write( "(a - 1/a)^5 <BR>\n" );
document.write( "= (a - a^-1)^5\r<BR>\n" );
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document.write( "1st term of the expansion is 5C5a^5(a^-1)^0 = a^5<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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