If \( A \) and \( B \) are square matrices of the same order such that \( A B=B A \), prove that... VIDEO
If \( A \) and \( B \) are square matrices of the same order such that \( A B=B A \), prove that
\[
(A-B)^{3}=A^{3}-3 A^{2} B+3 A B^{2}-B^{3}
\]
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