NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.2 Determinants
NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.2: This page consist of detail and accurate NCERT Solutions For Class 12 Maths Chapter 4-Determinants Exercise 4.2 prepared as per the requirements of CBSE board.
Krati Saraswat15 Jan, 2024
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NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.2 Determinants
NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.2 Determinants is prepared by academic team of Physics Wallah. We have prepared NCERT Solutions for all exercise of chapter 4. Given below is step by step solutions of all questions given in NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.2 Determinants.NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.2 Overview
NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.2 addresses these significant subjects. In order to fully comprehend the concepts presented in the chapter and make effective use of the provided solutions, it is recommended that students go over each topic in great detail. The intention is for students to effortlessly achieve excellent exam scores after reviewing and practicing these responses.CBSE Class 12th Toppers List 2024
NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.2 PDF
We have created comprehensive solutions for NCERT Class 12 Maths, Chapter 4 in order to assist students in comprehending and applying chapter concepts. These questions are meant to help students understand explanations more easily. To download the NCERT Solutions for Class 12 Maths, Chapter 4 PDF, click the following link:NCERT Solutions Class 12 Maths Chapter 4 PDF Download Link
NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.2
Solve The Following Questions NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.2 Determinants
Using the properties of determinants and without expanding in Exercise 1 to 5, prove that: Question 1.
Solution :
[Here, two columns of the determinants are identical]
Question
2.
Solution :
On Operating
Solution :
Solution :
Question
5.
Solution :
=
| NCERT Solutions for Class 12 Maths Chapter 2 Exercise 2.1 | NCERT Solutions for Class 12 Maths Chapter 2 Exercise 2.2 |
| NCERT Solutions for Class 12 Maths Chapter 2 Miscellaneous Exercise | |
Solution :
Question
7.
Solution :
Question
8.
Solution :
=
Question
9.
Solution :
Question
10. (i)
(ii)
Solution :
Question
11. (i)
(ii)
Solution :
Question
12.
Solution :
Question
13.
Solution :
Question
14.
Solution :
Therefore, option (C) is correct.
NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.2 FAQs
Is the determinant a scalar?
A determinant is a scalar value that can be calculated from the elements of a square matrix. It is an arrangement of numbers in the form | a b c d |.
Where do we use determinants in real life?
You can also use determinants in plotting graphs, statistics, scientific studies, and research in different areas. Determinants help represent the data like the population of people, death rate, hunger rate, etc. It is basically a method for plotting surveys.
Why is it called the determinant?
The term 'determinant' was first introduced by Gauss in Disquisitiones arithmeticae (1801) while discussing quadratic forms. He used the term because the determinant determines the properties of the quadratic form.
Is determinant a real number?
To every square matrix A = [aij] of order n, we can associate a number (real or complex) called determinant of the matrix A, written as det A, where aij is the (i, j)th element of A.
Who invented determinants?
In Europe, credit is usually given to his contemporary, the German coinventor of calculus, Gottfried Wilhelm Leibniz. In 1815 Cauchy published the first truly systematic and comprehensive study of determinants, and he was the one who coined the name.
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