The two matrices A and B are row-equivalent. Ansv justify all of your answers. -4 0 1 7 11 1 -2 C 1 A = -2 -1 1 9. 12 0. 1 В 2 1 3 -5 16 C 4 -8 1 -1 6. -2 C (a) Find the rank of A. (b) Find a basis for the row space of A. (c) Find a basis for the column space of A. (d) Find a basis for the nullspace. ||

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