## Introduction to Adjoint and Inverse of a Matrix - Free PDF Download

## FAQs on RD Sharma Class 12 Maths Solutions Chapter 7 - Adjoint and Inverse of a Matrix

**1. What is the formula of the adjoint of Matrix?**

Let A=[aij] be a square matrix of order n. The adjoint of a matrix A is calculated by the transpose of the cofactor matrix of A. It is denoted by adj A.

**2. What is the formula to find the inverse of a matrix?**

Formula to calculate the inverse of a matrix is given by A^{-1} = (1/|A|) Adj(A).

**3. How to calculate the inverse of a 3x3 matrix?**

**Following are the steps to calculate the inverse of the 3x3 matrix:**

Calculate the determinant of the given matrix

Find the transpose of the given matrix.

Calculate the determinant of 2x2 matrices

Finally, divide each term of the adjugate matrix by the determinant value.

**4. Does Class 12 Maths Chapter 7 (Adjoint and Inverse of a Matrix) have good weightage in the exam?**

Yes. Chapter 7 (Adjoint and Inverse of a Matrix) of class 12 maths is extremely important from the examination point of view. This chapter is based on Adjoint and Inverse of a Matrix which has an application in almost everything students will encounter in their daily life. Also, some experts in maths say that every topic taught in this chapter is important for a class 12 CBSE student to learn to score good marks in the board examination. Students can download Vedantu's RD Sharma Solutions for Class 12 Maths Chapter 7 - Adjoint and Inverse of a Matrix from the provided link and start studying right away. They can also check out Vedantu's RD Sharma solutions for Class 12 Maths all chapters.

**5. Where to find RD Sharma Solutions Class 12 Maths Chapter 7 - Adjoint and Inverse of a Matrix?**

The only means to get Vedantu's RD Sharma Solutions for Class 12 Maths Chapter 7 - Adjoint and Inverse of a Matrix is by clicking on the download link given on the very page. Students of class 12 have to sign in with their Gmail accounts before accessing the examination gear. Students can also access Vedantu's RD Sharma Solutions for Class 12 Maths Chapter 7 - Adjoint and Inverse of a Matrix by downloading Vedantu's mobile application. Once downloaded, students can begin studying the questions and explanations provided in the study gear.

**6. Is Vedantu's RD Sharma Solutions Class 12 Maths Chapter 7 - Adjoint and Inverse of a Matrix free?**

Yes. Vedantu's RD Sharma Solutions for Class 12 Maths Chapter 7 - Adjoint and Inverse of a Matrix is entirely free to download. Students who are studying in CBSE class 12, and want to get deeper insights into the maths subject should definitely download and take advantage of this study guide. The process of accessing the RD Sharma Solutions for Class 12 Maths Chapter 7 - Adjoint and Inverse of a Matrix is simple, students should just have to click the given link and sign-in on the Vedantu website. No card information or payment is required.

**7. Can I benefit from Vedantu's RD Sharma Solutions Class 12 Maths Chapter 7 - Adjoint and Inverse of a Matrix?**

The simple explanation for this question is yes, it is extremely important and helpful for the class 12 students who are appearing for the class 12 board examination. The problems in Vedantu's RD Sharma Solutions for Class 12 Maths Chapter 7 - Adjoint and Inverse of a Matrix are carefully solved. Also, the solutions provided are of excellent quality and are built on the basis of guidelines provided and paper pattern followed by CBSE. Class 12 students appearing for the board examination can definitely benefit from studying these study materials.

**8. Is it important to practice all the questions provided in the RD Sharma Solutions Class 12 Maths Chapter 7 - Adjoint and Inverse of a Matrix?**

The short explanation is yes, a student should practise as many questions provided in Vedantu's RD Sharma Solutions for Class 12 Maths Chapter 7 - Adjoint and Inverse of a Matrix as possible. The best bet would be solving all of the questions given in the study gear. Doing this on a consistent basis will help students of class 12 score better marks in the annual examination. That's because chapter 7 - Adjoint and Inverse of a Matrix is considered as one of the significant chapters from the examination point of view.