How many permutations of the letters ABCDEFG contain a) The string BCD? b) The string CFGA? c)

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How many permutations of the letters ABCDEFG contain
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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Discrete Mathematics and Its Applications

ISBN: 978-0073383095

7th edition

Authors: Kenneth H. Rosen

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Question Posted: May 03, 2016 01:40 AM

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How many permutations of the letters ABCDEFG contain a) The string BCD? b) The string CFGA? c)

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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

Discrete Mathematics and Its Applications

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