How many permutations of the letters ABCDEFG contain a) The string BCD? b) The string CFGA? c)
Question:
a) The string BCD?
b) The string CFGA?
c) The strings BA and GF?
d) The strings ABC and DE?
e) The strings ABC and CDE?
f) The strings CBA and BED?
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a If BCD is to be a substring then we can think of that block of letters as one super...View the full answer
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Related Book For
Discrete Mathematics and Its Applications
ISBN: 978-0073383095
7th edition
Authors: Kenneth H. Rosen
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