Chapter 1: Matrices and Determinants
1.4: Multiplication of Matrices 
1. Multiplication of Matrices 
2. Problem 1: Multiplication of Matrices 
3. Problem 2: Multiplication of Matrices 
4. Associative law under Multiplication of matrices 
5. Problem 1: Associative law under Multiplication of matrices 
6. Distributive Law of Multiplication over Addition for Matrices 
7. Problem 1: Distributive Law of Multiplication over Addition for Matri 
8. Commutative Law of Multiplication of Matrices 
9. Problem 1: Commutative Law of Multiplication of Matrices 
10. Multiplicative Identity of a Matrix 
11. Problem 1: Multiplicative Identity of a Matrix 

1.5: Multiplicative Inverse of a Matrix 
1. Determinant of 2by2 Matrix 
2. Problem1Singular and NonSingular Matrix 
3. Problem2Singular and NonSingular Matrix 
4. Singular and Nonsingular Matrix 
5. Problem 1: Singular and Nonsingular Matrix 
6. Adjoint of a Matrix 
7. Problem 1: Adjoint of a Matrix 
8. Multiplicative Inverse of a NonSingular Matrix 
9. Problem 1: Multiplicative Inverse of a NonSingular Matrix 
10. Inverse of Matrix using Adjoint 
11. Problem 1: Inverse of Matrix using Adjoint 
12. Property for whole transpose of product of Matrices 
13. Problem 1: Property for whole transpose of product of Matrices 

1.6: Solution of Simultaneous Linear Equations 
1. Solving Simultaneous EquationsInversion Method 
2. Solving Simultaneous EquationsCramers Rule 

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