If A and B are square matrices of size n × n such that A^2 – B^2 = (A – B)(A + B),
If A and B are square matrices of size n × n such that A2 – B2 = (A – B)(A + B), then which of the following will be always true?
(a) A = B
(b) AB = BA
(c) either A or B is a zero matrix
(d) either A or B is an identity matrix.
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