Math Problem Statement
${n \choose i+1}$
Solution
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Math Problem Analysis
Mathematical Concepts
Combinatorics
Binomial Coefficients
Factorials
Formulas
Binomial coefficient: \binom{n}{i+1} = \frac{n!}{(i+1)!(n-i-1)!}
Factorial formula: n! = n × (n-1) × ... × 1
Theorems
Binomial Theorem
Suitable Grade Level
Grades 10-12
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