第五节绝对连续函数 从而对任意x∈[a,b有 ∑[(x+b)-f(x+)∑f(x+b)-f(x+a)<E 进而 In>if(x+)-f(x)]ds n f(x)dx f(xdx] b,b,+ (a;,a;+第五节 绝对连续函数 从而对任意 x[a,b ， ] 有  + − +   + − +   = = m i i i m i i i f x b f x a f x b f x a 1 1 | [ ( ) ( )]| | ( ) ( )| 进而 | [ ( ) ( ) ]| ) ( )] | 1 | ( ) | | [ ( 1 ) 1 ) ( , 1 ( , 1 ( , ) 1      = + + = = − = + − = m i n a a n b b m i a b n i i i i m i i i n f x dx f x dx f x dx n x dx n f x  