Question: 0 0 2 2. Consider A = 0 -1 2 1 and x = OC -2 0 0 a. Compute Ax (matrix multiplication) if possible.

0 0 2 2. Consider A = 0 -1 2 1 and x = OC -2 0 0 a. Compute Ax (matrix multiplication) if possible. O. b. Is b = -2 spanned by the columns of A? Why? c. Do the columns of A span R3? Why

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