Question: Use the matrices 1. Show that (A + B)2 A2 + 2AB + B2. 2. Show that (A B)2 A2 2AB + B2. -- -1

Use the matrices
-- в-1 and and B = 3. -2]

1. Show that (A + B)2 ‰  A2 + 2AB + B2.
2. Show that (A ˆ’ B)2 ‰  A2 ˆ’ 2AB + B2.

-- -1 and and B = 3. -2]

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