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