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All Exercise 4.2 difficulties are answered in the NCERT Solutions for Class 12 Maths Chapter 4 Determinants. Subject specialists can easily master NCERT Solutions. Solving these difficulties could give kids the confidence to perform well on tests. Students can download the NCERT Class 12 Maths textbook and practice on their own to improve their grades.

Access Answers to NCERT Class 12 Maths Chapter 4 Determinants Exercise 4.2 Page number 119

## Maths NCERT Solutions Class 12 Chapter 4 – Exercise 4.2

The NCERT Solutions Class 12 Chapter 4 Exercise 4.2 Determinants will assist students in better understanding the types of problems frequently given in exams related to this topic. For a clear understanding of the ideas of Determinants, students should download and refer to Class 12 Maths Chapter 4 Exercise 4.2.

These NCERT Solutions are available to all students who want to do well in their exams and get good grades. If you have problems while learning math or solving the questions in the Maths books’ exercises, you can consult the Infinity Learn solutions for a full stepwise explanation of the sums. Download NCERT Solutions for Maths Class 12 Chapter 4 Exercise 4.2 Determinant to ensure a better learning experience.

## Determinant Characteristics

Students should be familiar with the properties of determinants to solve the amounts given in the ex 4.2 class 12 mathematics solutions. A determinant, as previously stated, is a specific integer that can be determined using a square matrix.

A matrix’s determinant, commonly known as P, is indicated by det(P) or det P. Determinants are crucial features that allow an individual to get the same results with simpler and varied entry or element configurations.

If students wish to get class 12 maths NCERT solutions, they should be aware of these features. We’ve compiled a list of those properties to assist students. That list can be found below.

**Property of Reflection**

According to this property, if the rows are transformed into columns, the determinant remains unchanged. The columns must also change into rows for this attribute to work.

**All-Zero Property**

It is a term used to describe a property that has no when all of the elements in a row or column are zero, the determinant’s value is also zero.

**Proportionality or the Property of Repetition**

This feature is critical for creating solutions to NCERT class 12 maths exercise 4.2. The value of the determinant is zero if all the components of a column or row are identical or proportional to the elements of another column or row, according to this property.

**Changing Property**

A change in the sign occurs when any two columns or rows of the determinant are swapped.

**Multiple Scalar Properties**

When all the elements of a determinant’s column or row are multiplied by a non-zero constant, the determinant is multiplied by the same constants.

Following are the topics covered in Class 12 Maths Chapter 4 Determinants Exercise 4.2:

- Properties of Determinants

### Exercise 4.2 for Class 12 Determinants

For a student, 12th grade is a critical time. And if a student wants to make the most of that time, they should concentrate on achieving the best grades possible on the final exam. Students should complete all of the questions in Chapter 4, Exercise 4.2, to accomplish this goal in mathematics. But what if you require additional assistance? In that circumstance, Infinity Learn is always available to assist all pupils. Students may download NCERT solutions for class 12 maths from Infinity Learn. Infinity Learn provides these files for free to students.

We also provide solutions for additional problems in the same chapter and NCERT solutions for class 12 maths exercise 4.2. Exercises 4.1, 4.3, 4.4, 4.5, and 4.6 are all included in this chapter. Each of these exercises has approximately five questions.

#### FAQ:

##### How can I get Infinity Learn's Exercise 4.2 Class 12 Maths NCERT Solutions?

Downloading solved maths questions from Infinity Learn is extremely straightforward. To begin, the learner should either download the Infinity Learn app or go to the Infinity Learn official website. Then proceed to register by providing a few of your details. Then, search for Exercise 4.2 Class 12 NCERT Solutions and click on the download link for the solved problems PDF. You may Learn the answers to the questions as soon as the file is finished downloading, so you can get the top grades in mathematics.

##### According to Exercise 4.2 of Chapter 4 of Class 12 Maths, what are the properties of determinants?

The ten main qualities of determinants are multiple scalar properties, switching property, sum property, reflection property, invariance property, factor property, triangle property, all-zero property, cofactor matrix property, and proportionality or repetition property. The exercise focuses on these features, and you must understand them well. Practice all determinant problems thoroughly, and if you have any questions, contact the Infinity Learn website.

##### When you say a determinant is zero, what exactly do you mean?

When the determinant of a matrix is zero, the volume of the region defined by its columns or rows is zero, suggesting that the matrix, when used as a transformation, changes the basis vectors into linearly dependent vectors that define 0 volume. If any of the determinants is zero, the system has an infinite number of solutions. If two rows or columns are comparable, the determinant equals 0. If a matrix contains either a row of zeros or a column of zeros, its determinant equals 0.