Qufstìk 19 “ 19 “ >91? >91? a)
0 ( + + ) ∗ 0 ( , + , + , ) ∗ 0 ⁃
n)
V`a vfz quf eá cgjfrfdïa cf dàvfb c‗áoua adtfs f cfpkgs ca a`kstra cf arfga, eá klkrrèdlga cf oracgfdtf egcráubglk f, pkr lkdsfquèdlga, cf pfrlkbaïìk.
\fdck quf a pfrlkbaïìk ofra pfrca cf laroa (℄ 0 ∗ ), f laroa ç `agkr dk tunk ck quf dk tkpk ca a`kstra cf arfga, eá klkrrèdlga cf pfrlkbaïìk para lg`a ca sfïìk ca pfdfgra, N, é sfïìk A. A tfdsìk cf pfrlkbaïìk pfrlkbaïìk ç judïìk ca prkjudcgcacf prkjudcgcacf ck skbk f caca caca pkr8
0 ∗ ∗
Kdcf 0
0
0
, ,
Bkok, 0 , ∗ ∗
0 ,
0 ⁃
A, Ykrtadtk, dk dàvfb ca pfdfgra 0 , ∗ , 0 , ⁃ , f f` A, 0 ∗ 0 ⁃ .
Lkdtgduaïìk ca 19¹ qufstìk
l)
A tfdsìk fjftgva dk dàvfb dàvfb ca pfdfgra ç caca pkr8 pkr8
‾ 0 ∗ ‾ ∞ ∗ ∗
∞ , ∗ ( ∞ ) ∞ ( , ∗ , ∗ ) ∞ ∞ Aqug acktku-sf 0
‾ 0 ⁃
0 ∗
∞,∗
0 ⁃
0 ∗
∞,∗
0 ⁃
‾ 0 ∞
‾ 0
0 ∗ + ∗
( , ∗ ) + ( , ∗ )
0 ⁃
0 ( + + ) ∗
( , + , + , ) ∗
0 ⁃
‾ 0 ∞
∞
‾ 0 ⁃
