Provide solution for rd sharma math class 12 chapter Algebra of matrices exercise 4.3 question 41
Hint: Matrix multiplication is only possible, when the number of columns of first matrix is equal to the number of rows of second matrix.
is identity matrix of size 3.
Now we will find the matrix for we get
Now, we will find the matrix for 4A, we get
Substituting corresponding values from equation i & ii in the given equation, we get