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Chapter 9: Algebraic Sentences, Matrices and Equations (50 videos)
9.1: Linear Equation in 2 Variables; The Solution Set
  1. Algebraic Expressions & Algebraic Sentences
  2. Problem 1: Algebraic Expressions & Algebraic Sentences
  3. Solution of Simple Linear Equations in two Variables
  4. Problem 1: Solution of Simple Linear Equations in two Variables
9.2: Graph of a Linear Equation in 2 Variable
  1. Graphical Solution of Simultaneous Linear Equations
9.3: 2 by 2 Matrices
  1. Introduction to Matrix
  2. Order of Matrix
  3. Problem 1: Introduction to Matrix
  4. Location of elements in Matrix
  5. Square Matrix and Rectangular Matrix
  6. Problem 1: Order of Matrix
  7. Problem 1: Location of elements in Matrix
  8. Problem 1: Square Matrix and Rectangular Matrix
9.4: Addition of Matrices
  1. Null Matrix or Zero Matrix
  2. Negative of Matrix
  3. Problem 1: Null Matrix or Zero Matrix
  4. Addition of Matrices
  5. Subtraction of Matrices
  6. Problem 1: Negative of Matrix
  7. Commutative Law under Addition for Matrices
  8. Diagonal Matrix
  9. Problem 1: Addition of Matrices
  10. Scalar Matrix
  11. Identity Matrix
  12. Problem 1: Subtraction of Matrices
  13. Problem 1: Commutative Law under Addition for Matrices
  14. Problem 1: Diagonal Matrix
  15. Problem 1: Scalar Matrix
  16. Problem 1: Identity Matrix
9.5: Multiplication of Matrices
  1. Multiplication of Matrices
  2. Multiplicative Identity of a Matrix
  3. Problem 1: Multiplication of Matrices
  4. Determinant of 2-by-2 Matrix
  5. Problem 2: Multiplication of Matrices
  6. Singular and Non-singular Matrix
  7. Multiplicative Inverse of a Non-Singular Matrix
  8. Problem 1: Multiplicative Identity of a Matrix
  9. Inverse of Matrix using Adjoint
  10. Problem1-Singular and Non-Singular Matrix
  11. Problem2-Singular and Non-Singular Matrix
  12. Problem 1: Singular and Non-singular Matrix
  13. Problem 1: Multiplicative Inverse of a Non-Singular Matrix
  14. Problem 1: Inverse of Matrix using Adjoint
9.6: Use of Matrices
  1. Solving Simultaneous Equations-Inversion Method
  2. Solving Simultaneous Equations-Cramers Rule
  3. Use of Matrices in Solving Everyday Life Problems
9.7: Properties of Simulataneous Equations and Their Algebraic Solutions
  1. Solving Simultaneous Linear Equations by Substitution
  2. Problem 1: Solving Simultaneous Linear Equations by Substitution
  3. Soving Simultaneous Lnear Equations by Comparison
  4. Solving Simultaneous Linear Equations-Equating-Co-efficient
 

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