If A and B are two square matrices such that AB=I, then which of the following is not true?

If A and B are two square matrices such that they commute,then which of the following is true?

If A and B are two square matrices such that they commute, then which of the following is true?

If A and B are two matrices such that A+B =AB , then

If A and B are two square matrices of order 3xx3 , then whilch of the following is true?

If A and B are square matrices of same order, then which of the following is true -

If A,b are two square matrices such that AB=A,BA=B then A,B are

If A and B are two non-singular square matrices such that AB=A. then which one of the following is correct ?

If A and B are two non-singular square matrices such that AB = A, then which one of the following is correct ?

A and B are two matrices each of order nxxn . Then which of the following is not true