ECO606 Assignment 1 Solution and Discussion


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    SEMESTER FALL 2019
    MATHEMATICAL ECONOMICS I (ECO606)
    ASSIGNMENT NO.1
    DUE DATE: DECEMBER 02, 2019
    MARKS: 10
    Question 01
    A firm’s demand and supply functions are given below:
    Qd 300P Qs 404P
    Find out:
    a) Equilibrium price
    b) Equilibrium quantity demanded c) Equilibriumquantitysupplied
    Question No. 02
    Cofactors of any matrix A is called Adjugate matrix and can be shown as
    AAA  11 12 13 
     A21 A22 A23  AAA
    .
    Find out all cofactors of the given matrix
    1 0 1 A2 4 0
    (Marks: a=2.5, b=1.5, c=1.5)
     31
    32 33
    
    3 5 6   .

     (Marks: 4.5) (0.5 for each cofactor) (Note: Keep in mind the positive and negative signs of cofactors)
    

    Note: Each part contains marks so, do each part separately and carefully. Step wise working in Math Type is required. Only answers will not be acceptable.
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