. , .
. :
1. , , , n = 5 ( ).
2. , , (-2).
3.
= ,, , , .
4.
= .
, .
5.
.
f(x) 0,,
,
, ( ) .
, 0.
f(x) f(x0), f(x0 - 0) f(x0 + 0) , 0 I . .
, . 0.
, II .
, .
, . , . , , .
. :
1. =2 I , . =2
.
2. f(x) = = -1, . , = -1 II .
.
. .
= f(x) 0 , = x2 x1 , = 2 1 - [x1, x2]. f(x) , . = f(x) , . . . , .
|
|
.
, u=u(x) v=v(x) , . :
4.
5.