The aim behind providing the solution is to empower the aspirants with a tool that helps them to analyze the questions that have frequent in the board exams. Moreover, practicing the solutions provided regularly will help students to make a grip on the formulas that are used frequently. This is an object that in the board exams there are marks for every step, especially in mathematics where you are asked to solve questions Step-wise. RD Sharma textbook contains many questions that are important for example it off you as well as they must be solved in order to clear basic concepts. The RD Sharma solutions are based on the CBSE pattern and contain the questions that are important and are asked in exams frequently. If you are facing difficulty in other chapters as well you can refer to the solutions of other chapters as well to prepare for your exams. Chapter 7 from RD Sharma deals with the concept of matrix and focuses on making the student familiar with the formulas and operations that can be applied to matrices. Some of the important topics from the chapter are the Definition and meaning of adjoint of a square matrix, the inverse of a matrix, some useful results on invertible matrices, etc.