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Determine the rank of the matrix A, where A and an echelon form of A are as follows: 2 -1 1 -6 8 [1 -2
Determine the rank of the matrix A, where A and an echelon form of A are as follows: 2 -1 1 -6 8 [1 -2 -4 3 -2 1 -2 -4 - 2 0 3 9 -12 12 A= --7 8 10 3 -10 0 0 0 0 0 4 -5 -7 0 4 0 0 0 0 0 oww a. 3 b.5 c.4 d. 2 e. None of the answers is correct
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