Question: Use matrices A and B. Show that (A + B)(A B) A 2 B 2 . A = 1 1-2 3 0

Use matrices A and B.

A = 1 1-2 3 0 B = -3 1 2 -

Show that (A + B)(A − B) ≠ A2 − B2 .

A = 1 1-2 3 0 B = -3 1 2 - 1

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ANSWER We can start by computing each of the products separately A B 1 2 0 3 3 1 2 1 2 ... View full answer

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