A = Es= Suppose that: E6 = -2 -5 4 3 Given the following descriptions, determine the following elementary matrices and their inverses. E7 = and B = e. The elementary matrix Es multiplies the second row of B by 1/2. 1 1 3 12 5 E8 = -5 -3 -2 f. The elementary matrix E6 multiplies the third row of B by -5. ‚E5¹= g. The elementary matrix E7 switches the first and third rows of B. ,E6¹ = E7¹ = h. The elementary matrix Eg adds 5 times the third row of B to the second row of B.

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