Math Problem Statement
"Find a recurrence relation for the number of ternary
strings of length n that contain two consecutive sym-
bols that are the same."
Solution
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Math Problem Analysis
Mathematical Concepts
Recurrence Relations
Ternary Strings
Combinatorics
Formulas
Recurrence relation for counting ternary strings with consecutive symbols
Theorems
Principle of Inclusion-Exclusion
Recursion in Combinatorics
Suitable Grade Level
Grades 11-12
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