Интегральное исчисление. Определенный интеграл - 14 стр.

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ЮФУ | Ростов-на-Дону

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n = 9
[a, b] S s
s (T ) ≤ I {x
i
, ξ
i
} ≤ S (T ) .
[a, b] f
lim
∆→0
(S − s) = 0.
f
T [a, b]
I {x
i
, ξ
i
}

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