Let A and B be nonempty subsets of R such that A is bounded above and B is bounded below and let A – B be defined by A - B= {a – b: a € A and bE B}. Prove that sup(A – B) = sup A – inf B.

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Q: Let R be a relation on set A. A={x : x ∊ J and 0 ≤ x ≤ 12},  and R={(a,b) :  |a – b|   is multiple…

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