Then AB + XY =

If the order of matrix A is 4 × 3, order of matrix B is 4 × 5 and order of matrix C is 5 × 3, then the order of matrix
(B∙C)A’ is:

If

If then the value of K is:

If then the value of x is:

If a is any square matrix of order 3 and is any constant, then |AB| is equal to:

With reference to square matrices, which one of the following statement is NOT correct?

If A is a square matrix such that

If A is square matrix such that is equal to:

Then AB + XY =

If A is any m × n matrix and B is a matrix such that AB and BA are both defined, then B is a matrix of order: