, . , , , , .
, :
P = 30 Q,
Q (. . q= Qi +Q2). , :
MC, = MC2 = .
1 . , , . ri 1 :
R1 = PQ1 = (30-Q)Q1
= 30Qi-(0, + Q2)Q, = 3OQ1-Qf-Q2Q1.
MRi ARi, AQi:
MRi = AR1MQi = 302Q1 Q2.
, MRi (. . ) Q1, :
/:Qi = 15 '/2Q2. (12.1) 2:
2: Q2 = 15 '/2Qi- (12.2) 351
Qi Q2 , . . (12.1) (12.2). Q2 (12.1) (12.2), ,
: Qi = Qj = 10.
, Q = Qi + Q2 = 20, P = 30 Q = 10.
. 12.5 . , 1 Q, 2 Q2. 2 Q2 Qi. , . -, Qi Q2, Q2 Qi. .
15
W 7,5
2
IpU MlIlI
7,5 10
15
30 Q,
. 12.5.
.
, . , . , , . , , .
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R = PQ = (30 Q)Q = 3OQ Q2,
MR = AR/AQ = 302Q.
MR , , , Q=IS.
Qi Q2, 15, .
Q i+Q2 =15, , , Qi Q2, . . 12.5. , :
Q1 = Q2 = 7,5.
, ( ), . . 12.5 , , . ( , Qi = Qa = 15. , .) , ( ), , , .
12170
12.3. :
: , . , , , , , , .
> , , , ' . , ? , , , , , ! , .
, . , . ? , , .
, . 20 ., , :
1: Qi = 12 2Pi + P2. (12.3)
2: Q2 = 12 2P2
(12.4)
4 . 12 ., , 6 . 16 . , , 1 6 ., , 2 . 2 , 16 .
, 4 .? 2 2 = P2Q2 20 = (4) X X [12 (2) (4) + 6] 20 = 20 . 1, , | = PiQi 20 = (6) [12 (2) (6) + 4] 20 = 4 .
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1 6 ., 2 4 ., 2 20 . 1, 4 . , 2 , 4 .
. 12.2 . , , _ , , . . 12.2 , , . , , , 4 ., 12 . , , 1 4 ., 2 6 ., 1 20 ., 2 4 .
12.2