Please Solve R.D.Sharma Class 12 Chapter 4 Algebra of Matrices Exercise MCQs Question 9 Maths Textbbok Solution.
Answer: The correct option is (A), B is a null matrix.
Given: AB = 0
As, AB = 0 and the order of the matrices is A and B is 3,
So, the matrix B has to be a null matrix.
Thus, the correct option is (A).