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Inverse of 2x2 and 3x3 matrices
Lesson 10 of 22 • 0 upvotes • 14:35mins
Teja K
In this lesson we'll learn about definition of inverse of a matrix and we'll also learn about how to calculate inverse of 1)2x2 matrix 2)3x3 matrix (Shortcut) Ps: please do let me know if the conventional method for inverse of 3x3 needs to be discussed. Based on the response, I will upload a seperate lesson on conventional method of 3x3 matrix inverse.
Learn Matrices for IIT JEE
22 lessons • 4h 49m
1
Introduction to the Matrices
14:12mins
2
Types of Matrices: Introduction to the Matrices: Part 2
13:34mins
3
Matrix Algebra: Part 3A
12:51mins
4
Matrix Algebra: Part 3B
15:00mins
5
Transpose , Symmetric and Skew Symmetric Matrices
15:00mins
6
Conjugate, Transpose conjugate matrix and special matrices-2
10:49mins
7
Determinants
15:00mins
8
Properties of determinants
15:00mins
9
Properties of adjoint
15:00mins
10
Inverse of 2x2 and 3x3 matrices
14:35mins
11
Properties of inverse of matrix
14:18mins
12
Remaining special matrices
11:32mins
13
All types of matrices (quick review)
12:36mins
14
Trace of matrix and Calculation of area of triangle using determinants
10:49mins
15
Rank of a matrix and echelon form
14:58mins
16
Properties of rank
11:31mins
17
Basics of system of linear equations
13:34mins
18
Consistent and Inconsistent systems
14:57mins
19
Application to encryption
11:40mins
20
Problems from previous papers
9:45mins
21
Problems from previous papers 2
9:47mins
22
Problems from previous papers 3
12:57mins
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