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Class 9 Mathematics notes

Written by Hassan Raza (Mathematics)

Chapter notes with key points, definitions, short questions and model answers. Each chapter links to practice questions.

Chapter notes

Matrices and determinants

Order and types of matrices, addition, subtraction and multiplication, transpose, the determinant, singular and non-singular matrices, the adjoint and inverse of a 2 by 2 matrix, and solving equations with matrices.

Class 9 Mathematics practice questions