Question: Use matrices A and B. Show that (A + B) 2 A 2 + 2AB + 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)2 ≠ A2 + 2AB + B2

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

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