Let A and B be arbitrary n x n matrices whose entries are real numbers. (a) Use basic matrix laws o


Question: Let A and B be arbitrary n x n matrices whose entries are real numbers.

(a) Use basic matrix laws only to expand (A + B )2. Explain all steps. Note the basic matrix laws are given in your notes. Hint: Use the distributive laws.

(b) Is A2 – B2 = (A - B)(A + B)

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