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Today's Calculation Of Integral
2006 Today's Calculation Of Integral
103
103
Part of
2006 Today's Calculation Of Integral
Problems
(1)
Today's calculation of integral 103
Source: Shizuoka University entrance exam 1988
6/5/2006
For
0
<
a
<
1
,
0<a<1,
0
<
a
<
1
,
let
f
(
x
)
=
a
−
x
1
−
a
x
(
−
1
<
x
<
1
)
.
f(x)=\frac{a-x}{1-ax}\ (-1<x<1).
f
(
x
)
=
1
−
a
x
a
−
x
(
−
1
<
x
<
1
)
.
Evaluate
∫
0
a
1
−
{
f
(
x
)
}
6
1
−
x
2
d
x
.
\int_0^a \frac{1-\{f(x)\}^6}{1-x^2}\ dx.
∫
0
a
1
−
x
2
1
−
{
f
(
x
)
}
6
d
x
.
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