1. How many words of length 5 are there on the set {A, B,C, D} which do NOT contain the string 'ADC'? For example, ADCDD, BADCB are not counted but DACAD is counted.
1. How many words of length 5 are there on the set {A, B,C, D} which do NOT contain the string 'ADC'? For example, ADCDD, BADCB are not counted but DACAD is counted.
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.CR: Chapter Review
Problem 2CC
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