Math Problem Statement

Hitung banyak cara mengatur 9 orang duduk mengelilingi meja bundar jika ada 2 orang yang selalu ingin duduk berdampingan.

Solution

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Math Problem Analysis

Mathematical Concepts

Combinatorics
Circular Permutations

Formulas

Formula for circular permutations: (n-1)!
Formula for combinations with constraints: Total ways = Circular permutations * (Ways to arrange constrained group)

Theorems

Permutation Theorem
Circular Arrangement Theorem

Suitable Grade Level

Grades 10-12