3. Without evaluating the determinants find the value of the constant K in each case. You...

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3. Without evaluating the determinants find the value of the constant K in each case. You need to use row operations. In each case specify the row operation needed to change the left determinant to the one on the right. 1-2 4 1 3-1 2 = K 5 5 6 3 4 1 1 -2 -2 3 -1 2K4 -3 5 6 6 -2 6 -1 5 4 -4 2 4 6 1 -2 3-1 6 4 2K 12 -4 5 5 6 -4 K 1 -2 4 3-1 2 1 -2 4 -4 8 6 5 6 -2 5-5 = 1 T 4 10 3. Without evaluating the determinants find the value of the constant K in each case. You need to use row operations. In each case specify the row operation needed to change the left determinant to the one on the right. 1-2 4 1 3-1 2 = K 5 5 6 3 4 1 1 -2 -2 3 -1 2K4 -3 5 6 6 -2 6 -1 5 4 -4 2 4 6 1 -2 3-1 6 4 2K 12 -4 5 5 6 -4 K 1 -2 4 3-1 2 1 -2 4 -4 8 6 5 6 -2 5-5 = 1 T 4 10