document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=924384>Question 924384</A>: <I><SPAN STYLE=\"word-break: break-all;\"> QUESTIONS: simplify the ratio of the following factorials\r<BR>\n" );
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document.write( "(n+2)! / n! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #560791 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=560791\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (n+2)! / n! is equal to:\r<BR>\n" );
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document.write( "(n+2) * (n+1) * n! / n! which is equal to n+2 * n+1\r<BR>\n" );
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document.write( "an example will help clarify the concept.\r<BR>\n" );
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document.write( "assume n = 6\r<BR>\n" );
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document.write( "n+2 must be equal to 8\r<BR>\n" );
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document.write( "(n+2)! = 8*7*6*5*4*3*2*1\r<BR>\n" );
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document.write( "n! = 6*5*4*3*2*1\r<BR>\n" );
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document.write( "since 6*5*4*3*2*1 = 6!, you get:\r<BR>\n" );
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document.write( "8! = 8*7*6!\r<BR>\n" );
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document.write( "8! / 6! = 8*7*6! / 6! = 8*7 = 56\r<BR>\n" );
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document.write( " </SPAN>\n" );
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