Last updated at Dec. 8, 2016 by Teachoo

Transcript

Ex3.1 , 5 Construct a 3 4 matrix, whose elements are given by (i) aij = 1/2 | 3i+j| Since it is a 3 4 matrix it has 3 rows & 4 column Let the required matrix be A , where A = [ 8(a11&a12&a13&a14@a21&a22&a23&a24@a31&a32&a33&a34)]_(3 4) It is given that aij = 1/2 | 3i+j|, Ex3.1 , 5 Construct a 3 4 matrix, whose elements are given by (ii) aij = 2i j, i = 1,2,3, and j = 1,2,3,4 Since it is a 3 4 matrix it has 3 rows & 4 column Let the required matrix be A , where A = [ 8(a11&a12&a13&a14@a21&a22&a23&a24@a31&a32&a33&a34)]_(3 4) It is given that aij = 2i j

Formation and order of matrix

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.