Provide Solution for R. D. Sharma Maths Class 12 Chapter 4 Algebra of Matrices Exercise Multiple Choice Questions Question 43 Maths Textbook Solution.
Answer: AB and BA are both defined
Hint: Check order of both matrices
Hence order of the matrix
And order of the matrix
Columns of matrix A= Rows of matrix B
AB is defined
Also here column of matrix B= Rows of matrix A