.


:




:

































 

 

 

 





f (x)- , .

, , x =0 , (2) :

(3)

, f (x) :

,

a (u) (3).

, , f (x):

(4)

, , :

,

b (u) (4).

 

 

, (5)

.

(5) f (x).

(5) c (u) , :

,

p .

 

:

 

 

16

 

I

:

 

 

 

.

1. = 2 , [0;2]:

. 1.

2- .

2, [-1;1]

(-1,0) (0,1) : = -1, = 0, = 1; [-1;1] (-1,0) (0,1) : = -1, = 0, = 1.

, f(x) .

.

l = T/2 = 2/2 = 1

 

:

. .. x = 2k x = 1 + 2k.

 

(. 2).

.2

 

10 .3

 

.3

 

2. [-2;0] ,

[0;2].

 

.4

 

= 4 , [-2;2].

 

 

.5

 

4- .

4, [-2;2] [-2, -1), (-1, 1), (1,2] , : = -1, = 1; [-2;2] [-2, -1), (-1, 1), (1,2] , : = -1, = 0, = 1.

, f(x) .

.

l = T/2 = 4/2 = 2

. ..

= -1 + 4k, x = 1 + 4k x = 2 + 4k.

 

(. 7).

.7

 

 

5 .8

 

.8

 

 

3. [-2;0] , [0;2].

.9

 

= 4 , [-2;2].

.10

4- .

4, [-2;2] [-2, -1), (-1, 1), (1,2] , : = -1, = 1; [-2;2] [-2, -1), (-1, 1), (1,2] , : = -1, = 1.

, f(x) .

.

l = T/2 = 4/2 = 2

. ..

= -1 + 4k, x = 1 + 4k x = 2 + 4k.

(. 11).

.11

5 .12

 

II





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