Hello Students! In this post, you will find the complete** ****NCERT Solutions for Maths Class 12 Exercise 3.4**.

You can download the **PDF of NCERT Books Maths Chapter 3** for your easy reference while studying **NCERT Solutions for Maths Class 12 Exercise 3.4**.

All the schools affiliated with CBSE, follow the NCERT books for all subjects. You can check your syllabus from **NCERT Syllabus for Mathematics Class 12**.

If you want to recall **All Maths Formulas for Class 12**, you can find it by clicking this link.

If you want to recall **All** **Maths Formulas for Class 11**, you can find it by clicking this link.

**NCERT Solutions for Maths Class 12 Exercise 3.1**

**NCERT Solutions for Maths Class 12 Exercise 3.2**

**NCERT Solutions for Maths Class 12 Exercise 3.3**

**NCERT Solutions for Maths Class 12 Exercise 3.4**

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**Maths Class
12 Ex 3.4 Question 1.**

**Choose the correct answer in the following question:**

**Matrices A and B will be inverse of each other only if**

**(A) AB = BA**

**(B) AB = BA = 0**

**(C) AB = 0, BA = 1**

**(D) AB = BA = I**

**Solution:**

We know that the two matrices A and B are inverse of each other if AB = BA = I

Hence, option (D) is correct.

**Related Links:**

**NCERT Solutions for Maths Class 12 Exercise 3.1**