Интегральное исчисление. Определенный интеграл - 42 стр.

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f R [a, b] c [a, b]
f R [c, x] x
[a, b] F : [a, b] R
F (x) =
x
Z
c
f(t) dt.
(a, b) f
[α, β] (a, b)
c (a, b) F : (a, b) R
f R [a, b] F
F C [a, b]
f R [a, b]
[a, b] M > 0 |f(x)|
M x [a, b] x
0
[a, b)
F x
0
|F (x) F (x
0
)| x [x
0
, b]
F (x) F (x
0
) =
x
Z
c
f(t) dt
x
0
Z
c
f(t) dt =
x
Z
x
0
f(t) dt,
|F (x) F (x
0
)| =
¯
¯
¯
¯
¯
¯
x
Z
x
0
f(t) dt
¯
¯
¯
¯
¯
¯
x
Z
x
0
|f(t)| dt M (x x
0
) .
ε > 0 δ > 0 δ εM
x [x
0
, b]