6. Find the matrix A such that: (question continued on the next page) 433 253 657 1 2 2 20 -3 1 A 1 1 = Hence, or otherwise, find elementary matrices E₁, E2..., En, n ≤ 10 such that: Find also the product En E2 E₁. A = En E₂ E₁ 433 253 657

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