A = B = 1 2 1 5 1 2 W N 0 0 1 0 2-2 3 7 11 25 8-1 8 10 30-4 0 1 -1 0 2 01-2 00 .00 00 0 (a) Find the rank and nullity of A. rank nullity (b) Find a basis for the nullspace of A.

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Q: Find a basis for the column space of A

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