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人気のある微分積分 >

integral from 0 to 1 of 7x^6(6-x^7)

解

\int_{0}^{1} 7 x^{6} (6 - x^{7}) d x

解

\frac{11}{2}

+1

十進法表記

5.5

解答ステップ

\int_{0}^{1} 7 x^{6} (6 - x^{7}) d x

定数を除く:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= 7 \cdot \int_{0}^{1} x^{6} (6 - x^{7}) d x

拡張

x^{6} (6 - x^{7}) : 6 x^{6} - x^{13}

= 7 \cdot \int_{0}^{1} 6 x^{6} - x^{13} d x

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

= 7 (\int_{0}^{1} 6 x^{6} d x - \int_{0}^{1} x^{13} d x)

\int_{0}^{1} 6 x^{6} d x = \frac{6}{7}

\int_{0}^{1} x^{13} d x = \frac{1}{14}

= 7 (\frac{6}{7} - \frac{1}{14})

簡素化

7 (\frac{6}{7} - \frac{1}{14}) : \frac{11}{2}

= \frac{11}{2}

グラフ

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