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Chapter 5

Matrices

Matrix notation, addition, subtraction, scalar and matrix multiplication, determinants, and the inverse of a 2×2 matrix for solving simultaneous equations.

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5.1 Matrix Notation and Definitions

Matrix Notation and DefinitionsEasy

5.2 Matrix Operations

Matrix Addition and SubtractionMedium
Scalar Multiplication of a MatrixMedium

5.3 Matrix Multiplication

Matrix MultiplicationHard

5.4 The Inverse of a Square Matrix of Order 2

The Determinant of a 2×2 MatrixMedium
The Inverse of a 2×2 MatrixHard
Solving Simultaneous Equations Using MatricesHard

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