document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1067974>Question 1067974</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Each person attending a party brings a prize. If there are n people and therefore n prizes, where anyone can get any number of prizes, how many ways can the prizes be distributed so that no one leaves with the prizes he/she brought?\r<BR>\n" );
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document.write( "(a) Solve this problem using inclusion/exclusion<BR>\n" );
document.write( "(b) There is a much easier solution. What is it?<BR>\n" );
document.write( "(c) Use binomial theorem  to explain why both answers are the same. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #683337 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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/cgi-bin/show-face.mpl?user=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=683337\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "See this Wikipedia article\r<BR>\n" );
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document.write( "<A  rel=nofollow HREF=https://en.wikipedia.org/wiki/Derangement>https://en.wikipedia.org/wiki/Derangement</A>\r<BR>\n" );
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document.write( "https://en.wikipedia.org/wiki/Derangement\r<BR>\n" );
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document.write( " </SPAN>\n" );
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