• Written By Anjali Choudhury
  • Last Modified 27-01-2023

NCERT Solutions for Class 12 Maths Exercise 4.2 Determinants

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NCERT Solutions for Class 12 Maths Exercise 4.2 Determinants: This chapter deals with various aspects of ‘Determinants’ and their wide applications across Engineering, Science, Economics, etc. NCERT Solutions for Class 12 Maths assist in developing a conceptual framework for all chapters. Determinants Class 12 NCERT Solutions comprises multiple questions frequently asked in the board exam, developed by our best academic specialists.

NCERT Exercise 4.2 Class 12 Maths Solutions provides clear and straightforward techniques for answering all in-text questions. Moreover, it is crucial to use well-curated NCERT Solutions for ex 4.2 Class 12 Maths to get the best results. Furthermore, NCERT Solutions for Exercise 4.2 Class 12 Maths are available in PDF version for students to download and use offline. Embibe provides all the necessary study materials and video lessons whenever a student faces any challenge as well!

DeterminantsRefer Here
Properties Of DeterminantsRefer Here
Area Of TriangleRefer Here

NCERT Solutions for Class 12 Maths Exercise 4.2 Determinants: Important Topics

Students may have studied determinants and their uses in earlier grades. It is therefore expected that students will be able to perform sums from linear equations on their own. Additionally, for students who plan to take board exams and competitive tests in the future, the 12th CBSE Maths book and the in-text activities are crucial. Here is the overview of the exercise topics students can refer to to have a better idea on the chapter:

4.1Introduction
4.2Determinant
4.3Properties of Determinants
4.4Area of a Triangle
4.5Minors and Cofactors
4.6Adjoint and Inverse of a Matrix
4.7Applications of Determinants and Matrices

mbibe provides mock tests, video lessons and other necessary products for the respective topics so that the student will gain a clarity and clear understanding on the chapter and topic.

NCERT Solutions for Class 12 Maths Chapter 4: Points to Remember

  •  If the rows and columns of a determinant are switched, the value of the determinant does not change.
  • The sign of the determinants changes if any two rows (or columns) of determinants are switched.
  • A determinant has a value of 0 if any two of its rows or columns are equal or identical.
  • The value of the determinant initially obtained is multiplied by k if each element of a row or column is multiplied by a constant value k.

NCERT Solutions for Class 12 Maths: All Chapters

FAQs on NCERT Solutions for Class 12 Maths Exercise 4.2 Determinants

Q.1. How may the NCERT Solutions for Class 12 Maths help me improve my grade? 

Ans. All of the specifics are presented in a step-by-step and straight-forward manner in the NCERT solutions. As a result, you will have no trouble understanding the sums.

Q.2. What is the total number of questions in NCERT Solutions for Class 12 Maths Chapter 4? 

Ans: Chapter 4 NCERT Solutions for Class 12 Maths consists of eight questions in Exercise 4.1.
There are 16 questions in Exercise 4.2.
There are five questions in Exercises 4.3 and 4.4.
There are 18 questions in Exercise 4.5.
There are 16 questions in Exercise 4.6.
There are 19 questions in the Miscellaneous Exercise.

Q.3. Where can I find all the NCERT exercise 4.2 Class 12 Maths solutions? 

Students in CBSE Class 12 can get all of the NCERT exercise 4.2 Class 12 Maths solutions in this article or on the NCERT website.

Q.4. Are the NCERT Solutions for Chapter 4 ex 4.2 Class 12 Maths sufficient to ace the board exams?

Ans. Yes, if you go over the NCERT solutions extensively and practice them thoroughly, you will have a better chance of getting good marks in the board exams.

Q.5. According to Chapter 4 of Class 12 Maths, what are the applications of determinants? 

Ans. A determinant is a function that can link any square matrix to a real or complex value. This notion is used to see if a system of equations has a unique solution or not. Aside from that, determinants can be used in various fields, including engineering, science, and many more.


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