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人気のある微分積分 >

integral from 1 to 2 of 2x^{-2}

解

\int_{1}^{2} 2 x^{- 2} d x

解

1

解答ステップ

\int_{1}^{2} 2 x^{- 2} d x

定数を除く:

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

= 2 \cdot \int_{1}^{2} x^{- 2} d x

べき乗則を適用する

= 2 [- \frac{1}{x}]_{1}^{2}

限度を計算する:

\frac{1}{2}

= 2 \cdot \frac{1}{2}

簡素化

= 1

グラフ

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