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1

44 ()

.

, .

1 2 1 22 1 2 43 3 2 24 1 3 3

.

:

i . : 1 1 = , 2 1 = , 3 2 = , 4 1 = . 2 = - , 3. . :

1 4 = , 2 3 = , 3 3 = , 4 4 = 3 = - , 2 3.

, ,

2 3 ( ).

, ,

( ): 1. 4 3,

4. 2. 1 3,

1. 3. 1 3,

1. 4. 2 3,

2.

3 21 3

.

(3, 4, 2, 3): 3 21 3

A =

.

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2

,

( )* * *1 2,x x x= , , , v :

* *

1 23x x v+ = . , ,

, * *

1 22 3x x v+ = . ,

* *

1 2 1x x+ = , :

* *

1 2* *

1 2* *

1 2

3 ,2 3 ,

1.

x x v

x x v

x x

+ =

+ = + =

: *

1*

2

2 / 3,1/ 3,

7 / 3.

x

x

v

=

=

=

,

,

, : * *

1 2* *

1 2* *

1 2

3 2 7 / 3,3 7 / 3,

1.

y y

y y

y y

+ =

+ = + =

1* 1/ 3y = , 2* 2 / 3y = .

. ( )* 2 / 3;1/ 3X = , ( )* 1/ 3;2 / 3Y = , 7 / 3.v =