Найдите определенный интеграл:₁³∫xdx/7+₃⁵∫xdx/7(20б). Created by ewewweesonya. algebra-ru

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Найдите определенный интеграл:₁³∫xdx/7+₃⁵∫xdx/7(20б)

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SYSTEMCORE $\displaystyle \int\limits^3_1{\frac{x\,dx}7} +\int\limits^5_3{\frac{x\,dx}7}=\int\limits^5_1{\frac{x\,dx}7}=\frac{x^2}{14}\bigg|^5_1=\frac{25}{14}-\frac{1}{14}=\frac{24}{14}=\boxed{\frac{12}7}$

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begun probezhal 800 m za 2 minuty 5 sekundnajdite srednyuyu skorost beguna na dis

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