If A and B are two matrices such that AB = O (null matrix) then
A. A may be a null matrices, but B may not be a null matrix.
B. B may be a null matrix, but A may not be a null matrix.
C. both A and B may be null matrices.
D. both A and B may be non-null matrices.
Choose the correct answer from the option given below:
Answer & explanation
Correct answer: option 4
A, B, C, D all are correct
Option: D