Compute the rref (reduced row echelon form) of the matrices in problems 1, 2, and 3....

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Compute the rref (reduced row echelon form) of the matrices in problems 1, 2, and 3. The rref is defined by the properties: Any all-zero rows are below non-zero rows The first (leftmost) nonzero entry in each row, called a pivot, is equal to 1. • Everything above and below a pivot (in the same column) is zero. • Each pivot is to the right of the pivots above it. (1) (2) (3) 2 1 0 0 2 2 2 1 1 1 1 2 3 -1 -2 -3 a a b b b C 00 -1 (8 - 0021 0012 where a, b, and c are distinct and nonzero. Compute the rref (reduced row echelon form) of the matrices in problems 1, 2, and 3. The rref is defined by the properties: Any all-zero rows are below non-zero rows The first (leftmost) nonzero entry in each row, called a pivot, is equal to 1. • Everything above and below a pivot (in the same column) is zero. • Each pivot is to the right of the pivots above it. (1) (2) (3) 2 1 0 0 2 2 2 1 1 1 1 2 3 -1 -2 -3 a a b b b C 00 -1 (8 - 0021 0012 where a, b, and c are distinct and nonzero.