, ( ), , (. 12). (.(12.2)), . (83.1) , Q0 Q:
(84.1)
, Q0 Q
, , , . , (r ¥) (U = 0), = 0 Q0, Q ,
(84.2)
Q0Q > 0 () , Q0Q < 0 () .
Q1, Q2, , Qn, , Q0. , . U Q0, , Ui :
(84.3)
(84.2) (84.3) , U/Q0 Q0 , :
(84.4)
j - , , .
(84.4) (84.2) , , Q,
(84.5)
, Q0 1 2 (. (84.1), (84.4), (84.5)),
(84.6)
. . . 1 2 , , 1 2.
Q0 1 2
(84.7)
(84.6) (84.7), :
(84.8)
, , .
Q0 , . . , , , , , (84.6), ¥ =0j,
(84.9)
, , . , ( ) .
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(84.4) , (): 1 , 1 1 (1 =1 /). , , 79 1 /: 1 /=1 ×/(×)=1 /(×)=1 /.
(84.3) (84.4) , , :