v ( l) v (. 154) v.
(185.1)
. . (1672 .).
. (. 268) a1. ( ) j.
. 268
,
(185.2)
, a1, a2, b1 b2 . a1/b1 = n, b2/a2 = 1/n, b1 + b2 = A, a2 = b2n = n(A - b1) = n(A - a1/n) = nA - a1,
(185.3)
(185.3) (185.2) ,
(185.4)
. . , .
(185.4) , n - 1, n , , . . , . . , , , , .
.
1. (. (180.3)), ( ) . , n = (l) (185.1).
2. . (180.3) , . , , , , . , (. 269). , .
, , . . 269 , ; , dn/dl l.
. 269
. , n(l) : n l. n l .
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. (, , ) , . , , . .