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(1 point) suppose that aa is an n×mn×m matrix of rank 4,4, the nullity of aa is 2,2, and the column space of aa is a subspace of r8r8. Find the dimensions of aa.

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(1 point) suppose that aa is an n×mn×m matrix of rank 4,4, the nullity of aa is 2,2, and the column...

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