RD Sharma Solutions Class 12 Adjoint And Inverse Of A Matrix

RD Sharma Solutions Class 12 Chapter 7

Adjoint of a matrix is obtained by taking transpose of the cofactor matrix of a given square matrix is called its adjoint or Adjugate matrix.


  • Product of a square matrix X with its adjoints produces a diagonal matrix.  
  • A non zero matrix “M” of order n is said to be invertible if there exists a unique square matrix “N” of order n such that.

Our R D Sharma solutions for class 12 mathematics, is designed for students who are currently studying in class 12. This textbook for class 12 mathematics will help students to learn the important concepts and formulas. Solving these question will also help them to score good marks in school and board examination.

Adjoint and Inverse of a Matrix Class 12th RD Sharma Exercises

Adjoint and Inverse of a Matrix Exercise 7.1

Adjoint and Inverse of a Matrix Exercise 7.2

Practise This Question

One hundred identical coins, each with probability p of showing up heads are tossed once.  If 0 < p < 1 and the probability of heads showing on 50 coins is equal to that of heads showing on 51 coins, then the value of p is: