111. if a2 1 then deteminant of the matrix a-24 will be 3 1 3 f a2 1 (2) 3 (3) 5 (4) 25 (1) 1 23 1 4 is 112. the rank of the matrix a=0 1 2 -1 0-2 4 2 (1) 2 (2)

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