设 n+1 max b Nn1=On1(x)∏(x-x) (n+1 则R(x) O n+1 X n+ 1 (n+1)!+1max| ( )| ( 1) 1 M f x n a x b n + £ £ + = | ( )|| ( )| 0 1 1 Õ= + = + = - n i n n i N w x x x 设 则 |Rn (x)| ( ) ( 1)! ( ) 1 ( 1) x n f n n + + + = w x 1 1 ( 1)! 1 + + + £ Mn Nn n