Learn All Concepts of Chapter 3 Class 12 Matrices - FREE. Check - Matrices Class 12 - Full video

Last updated at May 29, 2018 by Teachoo

Transcript

Ex 3.1 , 8 A = [aij]m x n is a square matrix, if (A) m < n (B) m > n (C) m = n (D) None of these A = [aij]m x n means A is matrix of order m × n Square matrix : It is a matrix whose rows and columns are same Since A is a square matrix, Number of rows = Number of columns m = n Hence, C is correct answer

Chapter 3 Class 12 Matrices

Concept wise

- Formation and order of matrix
- Types of matrices
- Equal matrices
- Addition/ subtraction of matrices
- Statement questions - Addition/Subtraction of matrices
- Multiplication of matrices
- Statement questions - Multiplication of matrices
- Solving Equation
- Finding unknown - Element
- Finding unknown - Matrice
- Transpose of a matrix
- Symmetric and skew symmetric matrices
- Proof using property of transpose
- Inverse of matrix using elementary transformation
- Proof using mathematical induction

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.