Qa₁ = 50-2P₁ +2P₂ Qd2 = 120-4P₁ +6P3 Qd3 = 150+ P₂ – 2P3 - Qs1 = 2 + P₁ Qs2 = 3P₂-2P₁ Qs3 = 4P3-2P₁
Qa₁ = 50-2P₁ +2P₂ Qd2 = 120-4P₁ +6P3 Qd3 = 150+ P₂ – 2P3 - Qs1 = 2 + P₁ Qs2 = 3P₂-2P₁ Qs3 = 4P3-2P₁
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
The following are demand and supply functions of three goods:
QD1= 50 -2P1+2P2
QD2= 120-4P1+6P3
QD3= 150 +P2 -2P3
QS1= 2+ P1
QS2= 3P2- 2P1
QS3= 4P3- 2P1
where Q is quantity, P is price, d denotes demand and s denotes supply. Use the matrix inversion method to find the equilibrium price and quantity for each good.

Transcribed Image Text:Qa₁ = 50 - 2P₁ + 2P₂
Qaz = 120-4P₁ +6P3
Qa3 = 150+ P₂ - 2P3
2
Qs1 = 2 + P₁
Qs2 = 3P₂ - 2P₁
Qs3 = 4P3-2P₁
Expert Solution

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Step 1: Determining the variables and equations
VIEWStep 2: Writing the linear equations in matrix notation
VIEWStep 3: Calculation of determinant of coefficient matrix
VIEWStep 4: Calculating the inverse of coefficient matrix
VIEWStep 5: Calculation of price matrix
VIEWStep 6: Calculation of quantity matrix
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