5. Find (a) a basis for the row space, (b) a basis for the column space, (c) the nullspace, and (d) determine the rank and nullity of D. D = 1 0 -2 4 1 -8 2 1 -4 1 1 -1 ⇒>> 0 0 -2 5 1 1 -1 0 0 0

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