# Chapter 1 Exercise 1.3 Important Questions 2024

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## Class 9 Math Chapter 1 Exercise 1.3 Important Questions

Important Definitions

• Define Addition and Subtraction of Matrices.
• Define the Multiplication of a Matrix by a Real Number.
• Define Commutative and Associative Laws.
• Define the Additive Inverse of the Matrices.

1: which of the following matrices are conformable for addition.

• Q: D
• Q: F
• Q: E

Find the Additive Inverse of the following matrices:

• Q: F
• Q: D
• Q: E

3: If A =__ then find

• Q: B
• Q: C
• Q: V
• Q: v¡¡

4: Perform the indicated operations and simply the following:

• Q: 1
• Q: vi
• Q: iv

5: For the Matrices _ Verify the following Rules.

• Q: ii
• Q: v
• Q: x

6: If A _ find

• Q: i

7: Question No. 7 is most Important where to find the values of a and b.

8: if A = _, then verify that

• Q: (iii)
• Q: (iv)
• Q: (ii)