If two matrices are equal, then their corresponding elements are equal
Example
So, x = −8
a = 9,
b = 8
c = 2
Equality of Matrices
Last updated at April 2, 2019 by Teachoo
Transcript
[■8(2&3@1&𝑥)] = [■8(2&3@1&−8)] [■8(𝑎&𝑏@𝑐&1)] = [■8(9&8@2&1)] [■8(3&4&1&𝑥@𝑦&𝑧&19&28@5&2&49&7)] = [■8(𝑝&4&1&6@12&24&19&28@𝑞&2&𝑟&7)] 𝑥 = 6 y = 12 z = 24 𝑝 = 3 𝑞 = 5 𝑟 = 49
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.