NCERT Solutions for Class 12 Maths Chapter 3 Exercise 3.4 (Ex 3.4)





















FAQs on NCERT Solutions for Class 12 Maths Chapter 3 - Exercise
1. Where can I find NCERT Solutions for Class 12 Maths Chapter 3 Matrices Exercise 3.4?
Vedantu, India’s top e-learning site, provides NCERT Solutions for Class 12 Maths Chapter 3 Matrices Exercise 3.4. It is available in a free to download PDF format. Exercise-wise NCERT Solutions for Chapter 3 Matrices are curated by subject matter experts at Vedantu. The material aids in effective exam preparation as well as clearing the fundamentals of the chapter. NCERT Solutions for Class 12 Maths Chapter 3 Ex 3.4 are based on the latest NCERT guidelines and exam pattern. Hence, students can avail them to score well in the exams. The exercise’s solutions help students to get a thorough knowledge of the chapter and simple explanations to the problems.
2. How are NCERT Solutions for Class 12 Maths Chapter 3 Matrices Ex 3.4 helpful?
The online solutions for NCERT Class 12 Maths Chapter 3 Matrices is prepared for doubt resolution and exam preparation. It is of great importance to learn the exercise well and provide confidence to solve the problems. These are prepared by experts who have immense knowledge and experience. Hence students can get a detailed explanation of the problems in an easy to understand manner. NCERT Solutions for CBSE Class 12 Maths Chapter 3 Exercise 3.4 can be utilized by students to solve their doubts regarding the exercise. NCERT Solutions for Class 12 Chapter 3 Matrices for Exercise 3.4 improves your chances of scoring well in the exam.
3. What are the elementary operations of a Matrix?
There are six elementary operations of a Matrix (3 due to rows and 3 due to columns). The elementary operations of a Matrix are also called the Transformation of a Matrix. Following are the elementary operations or transformations of a matrix:
The interchange of any two rows or two columns
The multiplication of the elements of any row or column by a non-zero number
The addition to the elements of any row or column, the corresponding elements of any other row or column multiplied by any non zero number.
4. Why does a rectangular matrix not possess an inverse matrix?
A rectangular matrix does not possess an inverse matrix since for the products BA and AB to be defined equal, matrices A and B must be square matrices of the same order.
5. How important is Exercise 3.4 of Chapter 3 of Class 12 Maths?
Exercise 3.4 of Chapter 3 of Class 12 Maths is an important exercise from an exam point of view. It is not only important for board exams but also for competitive exams. Students of Class 12 should understand the basic concepts given in the exercise to solve the questions. NCERT Solutions of Chapter 3 of Class 12 Maths can help students get an in-depth understanding of the basic concepts and ideas for solving the questions given in the exercise easily. They can practice questions from the textbook and score good marks in Class 12 Maths.
6. What are the important points given in Exercise 3.4 of Chapter 3 of Class 12 Maths?
In Exercise 3.4 of Chapter 3 of Class 12 Maths, students will study the following important points:
Six elementary operations on matrices out of which three are due to rows and three due to columns.
What are invertible matrices? It is an important concept of matrices that students will be able to understand by solving different types of questions given in Exercise 3.4
Why a rectangular matrix is not an inverse matrix
Using elementary operations to find the inverse of a matrix.
7. Which are the difficult questions to solve in Exercise 3.4 of Chapter 3 of Class 12 Maths?
Students may face difficulty in solving question number 15, 16, and 17 of Exercise 3.4 of Chapter 3 of Class 12 Maths. To solve these questions students need to understand the concept of transformations of matrices. They should practice NCERT solutions for Class 12 Maths Exercise 3.4 given on Vedantu. All solutions for Exercise 3.4 are given by experts using simple methods that are easy to understand and students will not face any difficulty in solving the questions.
8. How much time will I need to prepare Exercise 3.4 of Chapter 3 of Class 12 Maths for my exams?
Students have to focus on the main concepts given in Exercise 3.4 of Chapter 3 of Class 12 Maths. They will need at least a week to prepare Exercise 3.4 of Class 12 Maths. They have to spend 3-4 hours daily to solve the questions given in the exercise. The time may vary from student to student depending on different factors such as capability, efficiency, and speed of the students. Students can also take help from the NCERT Solutions for Exercise 3.4 of Chapter 3 of Class 12 Maths given on Vedantu.
9. How many theorems are related to the inverse of matrix Exercise 3.4 of Chapter 3 of Class 12 Maths?
Two theorems are related to Exercise 3.4 based on the inverse of a matrix. Theorem three states uniqueness of inverse which means that the inverse of a square matrix is unique if it exists and theorem four which states that if A and B are invertible matrices having the same order, then (AB)⁻¹ = B⁻¹ A⁻¹. Students can understand the theorems by solving the textbook questions given in Exercise 3.4. Students can get solutions for all textbook questions for Exercise 3.4 on Vedantu.