Perform the indicated row operations on the given augmented matrix. -1 -3 6-2 -2 1-3-2 3-5 0 4 a.) Interchange row 3 and row 1 3 Ꮕ -2 -1 -1 b.) Multiply row 3 by 5 -2 -5 15 1 -3 -3 1 -25 0 -3 6 6 -3 0 4 -2 -2 c.) Multiply row 1 by -5 and add to row 3 -2 -2 20

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