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Class 12 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsIn which situation is (R\cup S), where (R) and (S) are equivalence relations, definitely an equivalence relation?Class 12Relations and FunctionsEquivalence relationHardMathematicsOn (A={1,2,3,4}), (R) is reflexive. If (R\subseteq S\subseteq A\times A), what conclusion about (S) is certain?Class 12Relations and FunctionsReflexive relationHardMathematicsIf (A={1,2,3,4}) and (P={(1,2),(2,1),(4,4)}), how many reflexive relations (R) on (A) satisfy (P\subseteq R)?Class 12Relations and FunctionsReflexive relationHardMathematicsOn (A={1,2,3,4,5,6}), (aRb) if and only if both (a,b) are less than (4) or (a=b). Choose the correct equivalence classes.Class 12Relations and FunctionsTypes of relationsExpertMathematicsOn (A={1,2,3,4}), (aRb) if and only if (a=b) or both (a) and (b) are less than (3). What are the correct equivalence classes?Class 12Relations and FunctionsTypes of relationsExpert

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