◄UNIT5:Vector Space of Real NumbersUNIT 7:Bivariate Statistics►

UNIT 6:Matrices and Determinant of Order 3

  • UNIT 6:Matrices and Determinant of Order 3

    MK

    W

    6.1. Square matrices of order three

    6.1.1. Definitions

    M

    N

    J

    N

    NJ

    J

    6.1.3. Operations on matrices

    Activity 6.2

    MJ

    M

    NJ

    J

    M

    J

    D

    MJ

    Multiplying matrices

    Activity 6.4

    J

    H

    NJ

    H

    J

    J

    Solution

    NM

    Notice

    K

    NH

    NJ

    H

    J

    J

    K

    JH

    HJ

    HJ

    Properties of a determinant

    Activity 6.7

    H

    H

    U

    W

    D

    H

    J

    J

    JH

    U

    HJ

    JH

    6.3. Application

    6.3.1. System of 3 linear equations

    Activity 6.9

    JH

    H

    j

    h

    K

    H

    H

    Let use another useful method.

    J

    J

    H

    K

    Solution: 

    Let C and M , B, represent the number of serving of chicken, baked 

    potatoes, and milk respectively.

     M

    J

    N

    N

    M

    NJ

    H

    NH

    H

    KM

    J

    J

    M

    J


    ◄UNIT5:Vector Space of Real NumbersUNIT 7:Bivariate Statistics►