document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1159530>Question 1159530</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Consider the word AARDVARK\r<BR>\n" );
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document.write( "A) Determine all the permutations of all of the letters.\r<BR>\n" );
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document.write( "B) Determine all the permutations of the letters in which the three A's are together </SPAN>\n" );
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document.write( "YOU can determine all the permutations if you want....  I will only describe how to find the NUMBER of permutations.<br><BR>\n" );
document.write( "A) All permutations....<br><BR>\n" );
document.write( "There are 8 letters total; 3 are identical, and another 2 are identical.  By a well-known counting principle, the number of permutations is<br><BR>\n" );
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document.write( "B) If all three A's are together, treat them as a single \"letter\"; then there are 6 letters with just the two R's being identical.  Again using the same counting principle, the number of permutations is<br><BR>\n" );
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