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人気のある微分積分 >

integral from 0 to 1 of x 3/2 (1-x^2)

解

\int_{0}^{1} x \frac{3}{2} (1 - x^{2}) d x

解

\frac{3}{8}

+1

十進法表記

0.375

解答ステップ

\int_{0}^{1} x \frac{3}{2} (1 - x^{2}) d x

定数を除く:

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

= \frac{3}{2} \cdot \int_{0}^{1} x (1 - x^{2}) d x

拡張

x (1 - x^{2}) : x - x^{3}

= \frac{3}{2} \cdot \int_{0}^{1} x - x^{3} 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

= \frac{3}{2} (\int_{0}^{1} x d x - \int_{0}^{1} x^{3} d x)

\int_{0}^{1} x d x = \frac{1}{2}

\int_{0}^{1} x^{3} d x = \frac{1}{4}

= \frac{3}{2} (\frac{1}{2} - \frac{1}{4})

簡素化

\frac{3}{2} (\frac{1}{2} - \frac{1}{4}) : \frac{3}{8}

= \frac{3}{8}

グラフ

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