Question: Problems -2 1 -5 3 -4 A = and B = 4 4 LO Problem 1 -2 5 Problem 2 v Problem 3 Problem 4

Problems -2 1 -5 3 -4 A = and B = 4 4 LO Problem 1 -2 5 Problem 2 v Problem 3 Problem 4 Given the following descriptions, determine the following elementary matrices and their inverses. Problem 5 a. The elementary matrix E1 multiplies the first row of A by 1/5. Problem 6 v Problem 7 EL = Problem 8 v Problem 9 b. The elementary matrix E2 multiplies the second row of A by -2. c. The elementary matrix E3 switches the first and second rows of A. d. The elementary matrix E4 adds 7 times the first row of A to the second row of A. e. The elementary matrix Es multiplies the second row of B by 1/2. Es = Eg =

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