QUESTION 7 The matrix A - is row equiv and 12 -2 03 1 C = is row equivalent to the 2 -1 1 3 4 -3 1 2 Use the above to answer the following questi 2 7.1 Find a basis for the nullspace of A. 7.2 Find a basis for the column space of A. 7.3 Find the rank and nullity of A. 2220 02 2 1 0 -1 23 1 1 -2 1 3 2 4 43 -3

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