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binomial theorem

/baɪˈnoʊmiəl ˈθɪrəm/

翻译: 二项式定理是代数学中描述二项式幂展开的定理,将 (x + y)^n 展开为各项之和,其中系数称为二项式系数。

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phrase

C1formalcommonscientific/baɪˈnoʊmiəl ˈθɪrəm/

A mathematical theorem that describes the algebraic expansion of powers of a binomial expression, such as (x + y)^n, into a sum of terms involving coefficients known as binomial coefficients.

  • 🇨🇳二项式定理是代数学中描述二项式幂展开的定理,将 (x + y)^n 展开为各项之和,其中系数称为二项式系数。
  1. Algebraic expansion formula C2 formal

    A mathematical theorem that describes the algebraic expansion of powers of a binomial expression (a + b)^n into a sum of terms involving binomial coefficients.

    • The binomial theorem is used to expand (x + y)^5 without multiplying it out.
    • Students learn the binomial theorem in advanced algebra courses.
    • Using the binomial theorem, we can find the coefficient of a specific term in the expansion.

    🇨🇳二项式定理