Question: Let In each case, find an elementary matrix E that satisfies the given equation. Is there an elementary matrix E such that EA = D?

Let 2 -1 -1 B = -1 1 C = D = -3 -1 3 2 1 -1 -1 || A/

In each case, find an elementary matrix E that satisfies the given equation.

Is there an elementary matrix E such that EA = D? Why or why not?

2 -1 -1 B = -1 1 C = D = -3 -1 3 2 1 -1 -1 || A/

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