A) \[AB=0\Rightarrow A=O\]or\[B=O\]
B) \[det(2AB)=8\text{ (}detA)\text{ (}detB)\]
C) \[{{A}^{2}}-{{E}^{2}}=(A+B)(A-B)\]
D) \[det(A+B)=det(A)+det(B)\]
Correct Answer: B
Solution :
det (2AB) = 23 det[A] det[B] = 8 det[A] det[B]
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