Consider the matrix 1 -1 0 1 -1 1 2 A = -1 4 1 1 -1 0 -1 1 2 -2 8 2 -2 2 -2 4 (la) Find bases for the column and null spaces of A. (1b) Find bases for the column and null spaces of AT. (lc) Find bases for the column and null spaces of AAT. (Note:Shortcuts are not allowed)

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