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

单词

Vieta's Substitution

释义

Vieta's Substitution

The substitution of

(1)

into the standard form Cubic Equation

(2)

The result reduces the cubic to the equation

(3)

which is easily turned into a Quadratic Equation in

by multiplying through by

to obtain

(4)

See also Cubic Equation,Quadratic Equation

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