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#### shaalaa.com | Matrices class 12 part 1 (Concepts)

#### Series 1: playing of 37

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Matrices class 12 part 1 (Concepts)

00:10:15

00:10:15

Matrices class 12 part 2 (Definition)

00:05:28

00:05:28

Matrices class 12 part 3 (Represent data in Matrices)

00:11:18

00:11:18

Matrices class 12 part 4 (Examples Represent data)

00:07:45

00:07:45

Matrices class 12 part 5 (Examples Represent data)

00:11:27

00:11:27

Matrices class 12 part 6 (Row and column Matrices)

00:04:07

00:04:07

Matrices class 12 part 7 (Square Diagonal Scalar identity Zero Matrices)

00:11:41

00:11:41

Matrices class 12 part 8 (Equality of matrices)

00:11:46

00:11:46

Matrices class 12 part 9 (Addition of matrices)

00:09:45

00:09:45

Matrices part 10 (Subtraction of matrices)

00:03:01

00:03:01

Matrices part 11 (Property of matrices Addition)

00:12:55

00:12:55

Matrices part 12 (Scalar multiplication of Matrices)

00:12:17

00:12:17

Matrices part 13 (Example Scalar matrices)

00:08:57

00:08:57

Matrices part 14 (Example Scalar matrices)

00:10:51

00:10:51

Matrices part 15 (Negative matrices)

00:00:58

00:00:58

Matrices part 16 (Multiplication of two matrices)

00:11:31

00:11:31

Matrices part 17 (Example Matrices Multiplication)

00:14:42

00:14:42

Matrices part 18 (Example Matrices Multiplicatio)

00:06:46

00:06:46

Matrices part 19 (Example Matrices Multiplicatio)

00:13:16

00:13:16

Matrices part 20 (Example Matrices Multiplicatio)

00:08:20

00:08:20

Matrices part 21 (Example Matrices Multiplicatio)

00:13:30

00:13:30

Matrices part 22 (Example Matrices Multiplicatio)

00:14:18

00:14:18

Matrices part 23 (Example Matrices Multiplicatio)

00:13:13

00:13:13

Matrices part 24 (Example Matrices Multiplicatio)

00:04:46

00:04:46

Matrices part 25 (Zero matrices as Product of 2 matrices)

00:02:07

00:02:07

Matrices part 26 (Property matrices multiplication)

00:01:02

00:01:02

Matrices part 27 (Transpose)

00:13:50

00:13:50

Matrices part 28 (Example Transpose)

00:07:59

00:07:59

Matrices part 29 (Symmetric matrices)

00:04:09

00:04:09

Matrices part 30 (Skew Symmetric matrices)

00:05:29

00:05:29

Matrices part 31 (Theorem Skew and Symmetric matrices)

00:10:19

00:10:19

Matrices part 32 (Example Skew and Symmetric)

00:09:11

00:09:11

Matrices part 33 (Operation on Matrices)

00:13:47

00:13:47

Matrices part 34 (Invertible matrices)

00:02:11

00:02:11

Matrices part 35 (Inverse using matrices operation)

00:13:30

00:13:30

Matrices part 36 (Example 2X2 inverse using operation)

00:03:43

00:03:43

Matrices part 37 (Example 3X3 inverse using operation)

00:12:45

00:12:45

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(if you have any topic related video then share link with us)### Description

- Concept, notation, order, equality, types of matrices, zero andidentity matrix, transpose of a matrix, symmetric and skew symmetric matrices.
- Operation on matrices: Addition and multiplicat on and multipl cation with a scalar.
- Simple properties of addition, multiplication and scalar multiplication.
- Non commutativity of multiplication of matrices and existence of non-zero matrices whose product is the zero matrix (restrict to square matrices of order).
- Concept of elementary row and column operations.
- Invertible matrices and proof of the uniqueness of inverse, if it exists; (Here all matrices will have real entries).