A) \[AB=BA\]
B) Either of A or B is a zero matrix
C) Either of A or B is an identity matrix
D) \[A=B\]
Correct Answer: A
Solution :
Given, \[{{A}^{2}}-{{B}^{2}}=(A-B)(A+8)\] \[\Rightarrow \]\[{{A}^{2}}-{{B}^{2}}={{A}^{2}}-{{B}^{2}}+AB-BA\] \[\Rightarrow \]\[AB=BA\]You need to login to perform this action.
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