Math Problem Statement
Solution
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Math Problem Analysis
Mathematical Concepts
Factorial
Combinatorics
Simplification
Formulas
n! = n × (n-1) × ... × 1
Binomial coefficient formula: C(n, r) = n! / (r! × (n - r)!)
Theorems
Factorial properties
Combinatorial simplification
Suitable Grade Level
Grades 9-12