Math Problem Statement
安排包含x和y在內的12個人分坐成兩行,每行有6個人。若x和y須相鄰而坐,求安排坐位的方法數目
Solution
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Math Problem Analysis
Mathematical Concepts
Combinatorics
Permutations and Combinations
Formulas
Number of ways to arrange n items in two groups of size k and (n-k): \binom{n}{k} \times k! \times (n-k)!
Factorial: n! = n × (n-1) × ... × 1
Theorems
Permutation Theorem
Combination Formula
Suitable Grade Level
Grades 10-12
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