How many permutations of the letters ABCDEFGH contain a)
Chapter 5, Problem 5.3.22(choose chapter or problem)
How many permutations of the letters ABCDEFGH contain a) the string ED? b) the string CDE? c) the strings BA and FGH? d) the strings AB, DE, and GH? e) the strings CAB and BED? t) the strings BCA and ABF?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer