“Viète's formulae”的概念、定义、习题解题方法及翻译-数学辞典

单词

Viète's formulae

释义

Viète's formulae

Say that a cubic z3 + az2 + bz + c has roots α, β, γ so that

then, by expanding the RHS and comparing coefficients,

These are Viète's formulae and naturally generalize to higher degree polynomials.

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