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人気のある微分積分 >

integral from 0 to 1 of (2-e^x)^2

解

\int_{0}^{1} (2 - e^{x})^{2} d x

解

8 + \frac{e ^{2} - 1}{2} - 4 e

+1

十進法表記

0.32140 \dots

解答ステップ

\int_{0}^{1} (2 - e^{x})^{2} d x

u置換積分法を適用する

= \int_{1}^{e} \frac{( 2 - u ) ^{2}}{u} d u

拡張

\frac{( 2 - u ) ^{2}}{u} : \frac{4}{u} - 4 + u

= \int_{1}^{e} \frac{4}{u} - 4 + u d u

総和規則を適用する:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \int_{1}^{e} \frac{4}{u} d u - \int_{1}^{e} 4 d u + \int_{1}^{e} u d u

\int_{1}^{e} \frac{4}{u} d u = 4

\int_{1}^{e} 4 d u = 4 e - 4

\int_{1}^{e} u d u = \frac{e ^{2} - 1}{2}

= 4 - (4 e - 4) + \frac{e ^{2} - 1}{2}

簡素化

= 8 + \frac{e ^{2} - 1}{2} - 4 e

グラフ

人気の例

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\int_{3}^{1} 1

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