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Important Questions for CBSE Class 12 Maths Chapter 4 – Determinants
We have already learned that algebraic equations can be expressed as matrices. The determinant is used to determine the uniqueness of a solution associated with such matrices. It has numerous applications in engineering, economics, Science and other fields. With real entries, we will learn the determinants up to order 3. Determinants for Class 12 Maths also covers the properties of matrices, cofactors and applications of matrices and determinants, as well as finding the area of a triangle.
The topics covered in determinants for Class 12 Maths include the following:
- Introduction
- Determinant Definition
- Properties
- Area of a Triangle
- Minors and Cofactors
- Adjoint and the inverse of a matrix
- Determinants and Matrix Applications
Extramarks Revision Notes for Class 12 Maths Chapter 4 are useful before examinations due to the concise and comprehensive manner in which the content is written.. It is easier to understand and memorise the concepts due to the simple language. These notes are available on the website for better access to students.
Get Access to CBSE Class 12 Maths Important Questions for the Academic Year 2023-24
You can also find CBSE Class 12 Maths Important Questions Chapter-by-Chapter Important Questions here:
CBSE Class 12 Maths Important Questions | ||
Sr No | Chapter No | Chapter Name |
1 | Chapter 1 | Relations and Functions |
2 | Chapter 2 | Inverse Trigonometric Functions |
3 | Chapter 3 | Matrices |
4 | Chapter 4 | Determinants |
5 | Chapter 5 | Continuity and Differentiability |
6 | Chapter 6 | Application of Derivatives |
7 | Chapter 7 | Integrals |
8 | Chapter 8 | Application of Integrals |
9 | Chapter 9 | Differential Equations |
10 | Chapter 10 | Vector Algebra |
11 | Chapter 11 | Three Dimensional Geometry |
12 | Chapter 12 | Linear Programming |
13 | Chapter 13 | Probability |
CBSE Class 12 Maths Chapter-4 Important Questions
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CBSE Class 12 Maths Important Questions
FAQs (Frequently Asked Questions)
1. What uses do determinants have in real life? Explain its concept.
Chapter 4 Determinants of Class 12 Mathematics explains the fundamental concepts and applications of determinants. Learning Determinants is important because they have numerous applications. A Determinant is a function that can be used to connect any square matrix to a real or complex integer. This principle is used to determine whether an equation system has a unique solution. In addition, Determinants have numerous applications in engineering, Science, Economics and Social Science because it is useful for understanding ‘cross- product’ and to find a solution of a system of equations.
2. What are the properties of Determinants?
Reflection, all zero, proportionality, switching, factor, scaler, multiple, sum, triangle, cofactor matrix and invariance are the properties of a Determinant. There are various applications of Determinants in all of these properties, such as reflection, which depicts that it does not change with changes in rows and columns, and zero, which depicts that if rows and columns are similar to others, then the determinant will also be zero.
3. What are the uses of determinants?
Determinants are very important in algebra. To solve linear equations, you must first understand determinants. This is a significant concept that is also useful in calculating area, volume and other integrals. Determinants can also be used to calculate the values in square matrices.