Q14Single correct3 Marks24 Dec 2023Choose the correct statement from the options given below.AIf A and B are two matrices such that both AB and BA are well defined, then both A and B are square matrices.BIf A is a square matrix of order 2 such that A^2 = I, then A has to be equal to I.CA and B are square matrices of order n. If B is not invertible, then AB is not invertible.DA and B are square matrices of order n and k <= n. If rank(AB)\text{rank}(AB)rank(AB) = rank(B)\text{rank}(B)rank(B) = k, then rank(A)\text{rank}(A)rank(A) < k.
