In the rational expression f ( x )/ g ( x ) with real coefficients, the denominator g ( x ) is
(1) Divide f ( x ) by g ( x ) as shown in Example 3 in (2) Factorize g ( x ) and find the undetermined coefficients as shown in Examples 1 and 2 of .Partial fraction expansion is the basis for calculating integrals of rational functions. [Terada Fumiyuki] ©Shogakukan "> Examples of partial fractions (table) Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
実数を係数とする有理式f(x)/g(x)において、分母g(x)が
(1) (2) g(x)を因数に分解して、 の例1、例2のようにして未定係数を求める。部分分数展開は、有理関数の積分の計算の基礎である。 [寺田文行] ©Shogakukan"> 部分分数の例〔表〕 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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