f g - x, F - f,
, k, C - .
( )
( ). , . . .
, .
:
:
:
, n -
Pn + 1(x) (n + 1)- .
3. . f (x) [ a, b ],
, y = 0, x = a, x = b, y = f (x) (. . 5.).
- ( )
(f ; F - f).
f ,
a < b, ,
4. ( ):
ci , , xi [ a, b] .
, , , . .
() n
,
, , (n+1) ai. (n+1) i = 0, 1, , n, (n+1) (n+1) ai
xi , , , ( )
, ,
( ). n
|
|
, ,
h , xi .
n = 0 . f(x) ( 0).