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Question: a is the matrix a 1 2 1 1...

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In problems 1 3, A is the matriz 1 2 1 1 0 2 4 3 0 1 5 10 7 2 6 12 7 7 10 1. Find a basis for the nullspace of A. What is the dimension of the nullspace of A? 2. Find a basis for the columnspace of A. What is the dimension of the columnspace of A? 3. Find a basis for the rowspace of A. What is the dimension of the rowspace of A? In problems and 5, A is the matriz 1 1 2 3 2 3 1 5 and is a basis for the nullspace of A in the nullspace of A? If so, find B. 4. Is v 5. Is w 5 in the nullspace of A? If so, find w B. 6. Let A be a 4 x 5 matrix. If the dimension of the rowspace of A is 2, what is the nullity of A?

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