Math Problem Statement
. Ange x2-koefficienten och x7-koefficienten i utvecklingen av (x + 1)^9
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Binomial Theorem
Polynomial Expansion
Formulas
Binomial Expansion Formula: (x + y)^n = Σ binom(n, k) * x^k * y^(n-k)
Theorems
Binomial Theorem
Suitable Grade Level
Grades 10-12