Question: Problem 4. (6 points) Let A be a 2 x 2 matrix. Given the following descriptions, determine the following elementary matrices and their inverses. a.

Problem 4. (6 points) Let A be a 2 x 2 matrix. Given the following descriptions, determine the following elementary matrices and their inverses. a. The elementary matrix En multiplies the first row of A by 1/5. E1 = b. The elementary matrix E2 multiplies the second row of A by -4. E2 = C. The elementary matrix Es switches the first and second rows of A. E3 = Note: You can earn partial credit on this

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