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If A and B are square matrices of the sa...

If A and B are square matrices of the same order such that AB=BA, then (A) `(A-B)(A+B)=A^2-B^2` (B) `(A+B)^2=A^2+2AB+B^2` (C) `(A+B)^3=A^3A^2B+3AB^2+B^3` (D) `(AB)^2=A^2B^2`

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