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人気のある微分積分 >

integral from 2 to 7 of 2x+1

解

\int_{2}^{7} 2 x + 1 d x

解

50

解答ステップ

\int_{2}^{7} 2 x + 1 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

= \int_{2}^{7} 2 x d x + \int_{2}^{7} 1 d x

\int_{2}^{7} 2 x d x = 45

\int_{2}^{7} 1 d x = 5

= 45 + 5

簡素化

= 50

グラフ

人気の例

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