2. Is the following matrix in reduced row echelon form? If not, how would we reduce it to reduced row echelon form? Choose the correct option below. 00 1 0 1 1 0 -2 0. 4 0 (a) The matrix is already in RREF. (b) The matrix is not yet in RREF, and one row scaling will reduce it to RREF. (c) The matrix is not yet in RREF, and one row swap will reduce it to RREF. (d) The matrix is not yet in RREF, and one row replacement will reduce it to RREF. (e) The matrix is not yet in RREF, and at least two row operations are required to reduce it to RREF. O (a) is the correct answer O (b) is the correct answer O (c) is the correct answer (d) is the correct answer O (e) is the correct answer

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A: Rref.

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