Question: Give a 3 x 3 elementary matrix E which will carry out the row operation R R3. E = Test that E actually works

Give a 3 x 3 elementary matrix E which will carry out the row operation R R3. E = Test that E actually works for carrying out this row operation by computing the product EA for the matrix -3 3 -2 -1 = -5 2 B 5 2 5 1 2 EA = -4

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