. n , R (. . 8.2). ic , R, n .
. 8.2
, n, Rn
R 1 ´ (1 + ic)n -1, R 2 ´ (1 + ic) n -2, R 3 ´ (1 + ic) n -3,..., Rn, (8.5)
R,
R ´ [1, q, q 2, q 3,..., qn -1], (8.6)
q = (1 + ic) .
(8.5) S
S = ∑ Rn ´ (1 + ic) n = R ´ ∑(1 + ic) n
(8.6)
S = R ´ ∑ qj, (8.7)
j = 0, 1, 2,..., n -1.
, .
, n ( q 1)
1 + q + q 2 + q 3 + ... + qn -1 = (qn 1)/(q 1). (8.7)
(8.7) n = 1, 2, , (8.7) n = k (8.7) n = k + 1, . 8.3.
. 8.3
n = 1 (8.7) , 1 = 1 . n = k (8.7) (8.8),
1 + q = (q 2 1)/(q 1) = (q + 1)*(q 1)/(q 1) = (q + 1).
n = k (8.7) ,
1 + q + q 2 + q 3 + ... + qk -1 = (qk 1)/(q 1). (8.8)
n = k + 1 (8.6) ,
1 + q + q 2 + q 3 +... + qk -1 + qk = (qk +1 1)/(q 1).
(8.8)
(qk 1)/(q 1) + qk = (qk +1 1)/(q 1), (8.9)
(8.9)
(qk 1) + (q 1) ´ qk = (qk +1 1),
,
(qk +1 1) = (qk +1 1),
.
, (8.7) .
(8.6), S ,
S = R ´ (qn 1)/(q 1), (8.10)
q = (1 + ic) .
A (8.4) (8.10)
A = S / qn = R ´ (qn 1)/(q 1) ´ qn. (8.11)
, R , (n ) q (8.10), (8.11) S A .
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