# Exercise 1.5 Ch#1 Class 9 Math 2024

Students if you are looking for the Class 9 Math Chapter 1 Exercise 1.5 Important Questions Notes if yes? then you visit the right place where you can easily find Exercise 1.5 chapter 1 most important short questions.

Students You know that these Chapter 1 Matrices and Determinants Exercise 1.5 Questions of Mathematics are helpful so don’t ignore to solve them for the final class 9 math book exams.

## Exercise 1.5 Chapter 1 Important Questions Class 9 Math

Important Definitions

• Define the Multiplicative Inverse of a Matrix.
• Define the Determinant of a 2 by 2 Matrix.
• Define Singular and Singular Matrix.
• Define the Multiplicative Inverse of a Non-Singular Matrix.
• Define the Inverse of a Matrix using Adjoint.

1: Find the Determination of the following Matrices.

• Q: (I)
• Q: (C)

2: Find which of the following matrices are singular or nonsingular.

• Q: (B)
• Q: (D)

3: Find the Multiplicative Inverse (if it exists) of each.

• Q: B
• Q: D

4: If A = __ then

• Q: (I)

6: if A= _ then verify that

• Q: (I)
• Q: (ii)