# 9th Math Matrices and Determinants Unit 1 Notes

# Download 9th Maths **Matrices and Determinants** Unit 1 Notes PDF English Medium

**Unit 1: ****Matrices and Determinants**** **

Introduction, Matrix, Row and Column Matrix, Order of Matrix, Equal Matrices, EX 1.1, Types of Matrices (Row Matrices, Column Matrix, Rectangular Matrix, Square Matrix, Null or Zero Matrix, Transport of Matrix, Negative of Matrix, Symmetric Matrix, Skew Symmetric, Diagonal Matrix, Scalar Matrix, Identity Matrix)

**Unit 1: ****Matrices and Determinants**

EX 1.2, Addition and Subtraction of Matrices, Multiplication of a Matrix by a Real Numbers, Commutative and Associative Laws of Addition of Matrices, Additive inverse and identity of Matrices, EX# 1.3

**9th class Math notes Urdu medium all Chapter Click here**.

**Unit 1: ****Matrices and Determinants**** **

Multiplication of Matrices, Associative Law under Multiplication, Distributive Law of multiplication over addition and subtraction, Commutative law of multiplication of Matrices, Multiplicative Identity of a Matrices, EX# 1.4, Multiplication inverse of a Matrix ( Determinant of a 2-by-2 Matrix, Singular and Non-Singular Matrix, Adjoint of Matrix), Multiplicative Inverse of a Non-singular Matrix, Inverse of Matrix using Adjoint, Verification of, EX# 1.5

**Unit 1: ****Matrices and Determinants**** **

The solution of Simultaneous Linear Equations (Matrix inversion method, Cramer’s Rule) EX# 1.6, Review of EX#1, Summary)

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### 10th class Math notes English medium

9^{th} Class All Subjects Notes Chick here