Question

If A and B are square matrices of the same order then (A-B)2=?​

Answer 1

Answer:

If A and B are square matrices of the same order then (A+B)^2=A^2+2AB+B^2 implies (A) both AB and BA are defined (B) (AB)^t=B^tA^t (C) (AB)^-1=B^-1A^-1 if |A|!= 0 (D) AB=BA.

Step-by-step explanation:

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