document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=36288>Question 36288</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can somone answer this problem?<BR>\n" );
document.write( "The number of permutations of two items from a data set is always two times the number of combinations when taking two objects at a time from the same data set<BR>\n" );
document.write( "Explain why this statement is true or false </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #22245 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=22245\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> nC2 = n!/[(n-2)!2!]<BR>\n" );
document.write( "nP2 = n!/[(n-2)!]\r<BR>\n" );
document.write( "\n" );
document.write( "The combination is 1/2 the permutation, so <BR>\n" );
document.write( "the permutation must be two-times the combination.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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