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Mathematics
Mathematics
Problem
For a continuous function
f
f
f
on
[
a
,
b
]
[a,b]
[
a
,
b
]
with
a
<
b
a<b
a
<
b
, which of the following expressions is equal to
∫
b
a
f
(
x
)
d
x
\displaystyle \int_{b}^{a} f(x)\,dx
∫
b
a
f
(
x
)
d
x
? a)
∫
a
b
f
(
x
)
d
x
\displaystyle \int_{a}^{b} f(x)\,dx
∫
a
b
f
(
x
)
d
x
b)
f
(
b
)
−
f
(
a
)
f(b)-f(a)
f
(
b
)
−
f
(
a
)
c)
−
∫
a
b
f
(
x
)
d
x
-\displaystyle \int_{a}^{b} f(x)\,dx
−
∫
a
b
f
(
x
)
d
x
d)
∫
a
b
∣
f
(
x
)
∣
d
x
\displaystyle \int_{a}^{b} |f(x)|\,dx
∫
a
b
∣
f
(
x
)
∣
d
x
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