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Conjugate (algebra) : ウィキペディア英語版 | Conjugate (algebra)
In algebra, a conjugate is a binomial formed by negating the second term of a binomial. The conjugate of is , where ''x'' and ''y'' are real numbers. If ''y'' is imaginary, the process is termed complex conjugation: the complex conjugate of is , where ''a'' and ''b'' are real. == Differences of squares ==
(詳細はcommutative ring, an expression of the form : can be factored to give : where one factor is the conjugate of the other. This can be useful when trying to rationalize a denominator containing squares.
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