Find the infimum, minimum, maximum and supremum of each of the following sets (write d.n.e. if it does not exist). S inf S min S max S sup S {1-;\neN} {xER | x³-4x²+x+6 >0} 1 m, n E N} m n 8 1 1, 2+- n +1] n n=1 {XEQ | x ≤ 2}

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