Determine the rank and nullity of the matrix 2 1 -1 2 4 -2 A = Note: Rank(A) = dim(A); %3D Nullity(A) = dim(Null(A)). (a) rank(A) = 3; nullity(A) = 0 nullity(A) = 3 (b) rank(A) = 0; (c) rank(A) = 1; nullity(A) = 1 %3D %3D %3D (d) rank(A) = 1; nullity(A) = 2 nullity(A) = 1 (e) rank(A) = 2; (f) rank(A) = 2; nullity(A) = 2 %D %3D %3D

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