Question: 11. Let A be the matrix -1 0 4 2 0 6 (a) Using row-reduction to find REF of A, find a basis for row(A)

11. Let A be the matrix -1 0 4 2 0 6 (a) Using row-reduction to find REF of A, find a basis for row(A) and (b) Find a basis for null(A). (c) Without calculating null(AT), what must the nullity of AT be

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