Exercise 1.3 - Matrices - Class 9th Maths | Punjab and Federal Board | Mospor
In this video exercise 1.3 of class 9th mathematics is solved. In this lecture we have discussed about Addition and Subtraction of Matrices, commutative law of matrices, Associative law of matrices, additive inverse of matrix, conformable matrices, non-conformable matrices.
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Intro: (0:00)
Concept of Addition and Subtraction of Matrices: (0:22)
Concept of Conformable Matrices: (1:40)
Addition of Two Matrices: (2:52)
Commutative Law of Matrices: (6:33)
Subtraction of Two Matrices: (7:53)
Additive inverse of a Matrix: (13:07)
Key Points For Exercise 1.3: (14:45)
Exercise 1.3, Question 1: (17:19)
Exercise 1.3, Question 2: (18:33)
Exercise 1.3, Question 3: (22:00)
Exercise 1.3, Question 4: (25:23)
Exercise 1.3, Question 5: (28:39)
Exercise 1.3, Question 6: (44:36)
Exercise 1.3, Question 7: (46:57)
Exercise 1.3, Question 8: (49:01)
Outro: (58:49)
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