If A and B are square matrices of the same order then (A + B)(A – B) – InterviewSolution

1.

If A and B are square matrices of the same order then (A + B)(A – B) = ? A. (A2 - B2) B. A2 + AB – BA – B2 C. A2 – AB + BA – B2 D. none of these

Answer»

Since A and B are square matrices of same order.

(A + B)(A - B) = A² –AB + BA – B

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