2- . f , , (8,9)-(8,11) :
: :
;
;
,
.. ''>' tk'<tk'' .
p'(t) p''(t) ... .3,53. ... dH . ... p(t) ( ) ; (8,12)
.. , - ' c'', 1- ( Ik).
... (.3,53) ' - ', c c, c''. c ' , .
(8,13)
2-
,,,,,,,,,,,
p
.. , . , , ''. G ( ).
, .
(8,14)
:
(8.15)
,
tk=tk+(tk-tk')= (8,16)
, Ik''.
, Ik'' . , , . ...
'=c=c''= Ik'
acB=c''= Ik''
, , . , , , , . ... .3,54 .
(8,17)
- , .
(8,18)
(8,18) , (, .. ) . , .. . ... (.3,57) 2- , .
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