例4 求 解
x (1 x ) x x)33
dx .
(1
dx
x 1 1 dx 3 (1 x )13
[ (1 1
1 x)2
(1 x )
]d ( 1 x ) C2
1 x 1 1 x
C1 1
1 2 (1 x )2
2
2 (1 x )
C.
例4 求 解
x (1 x ) x x)33
dx .
(1
dx
x 1 1 dx 3 (1 x )13
[ (1 1
1 x)2
(1 x )
]d ( 1 x ) C2
1 x 1 1 x
C1 1
1 2 (1 x )2
2
2 (1 x )
C.
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