560                                                    18

D,        D.        D,

V=                  +                  +          J       +... =

(1+A:)'   (1+^)2   (1+fc)3

(18.34)

p^E^ ^ p^E^ ^ p^E^ ^ ^ y. p,E,
(\+k)\   (l+k)2   (1+A:)3      i=i(l+k)'

 ,       
          g,.
      t        
/  1     (g ):

"^,-,<iw.             WM

  :

, = ,(1 + g);

^=?,(1+^)=^(1+^)(1+^);

, = E,(l + ) = E,(l + ^) (1 + ^) (1 + ^)

  ,   -       , ?, - 
     , ^ -       ,
^        .

 ,        -
 ,      (18.34),    :

^p,[^(l+g)] ^/^o(l+g)(l+ga)l ^
(l+k)1            (\+k)1

^,[^(1+^,)(1+^)(1+^)] ^                    (18J6)

(1+k)3           '" 
    ,  ,    
    .  ,  / ,  
  -,      .  
      . -
    (18.36)      
 -:

 ^P.d+^i) ^^(1+^,)(1+^)^
Ż    (1+^)'        (l+k)2

^P^+g^O+g^d+gq) ^                         (18.37)

(1+^3

  ,     ,  
-   , :

   (  ^);

        (g^, g^, g^, ...);

    (k).

       . , 
     ,   .  
    (^,   ...),    