1. Tardigrade
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  3. Mathematics
  4. If A and B are square matrices of order ' n ' such that A2- B2=(A-B)(A+B) then which of the following will be true?

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Q. If $A$ and $B$ are square matrices of order ' $n$ ' such that $A^{2-} B^{2}=(A-B)(A+B)$ then which of the following will be true?

Solution:

$A\&B$ must satisfy commutative law