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Reflexive Symmetric

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

MathematicsOn real numbers, (aRb) iff (|a-b|<1). What type of relation is it?Class 12Relations and FunctionsIntroduction to RelationsExpert MathematicsIf (A) has (4) elements, how many relations are reflexive and symmetric but not antisymmetric?Class 12Relations and FunctionsIntroduction to RelationsExpert MathematicsIf (A) has (4) elements, how many relations on (A) are both reflexive and symmetric?Class 12Relations and FunctionsIntroduction to RelationsHard MathematicsIf (A) has (3) elements, how many relations on (A) are both reflexive and symmetric?Class 12Relations and FunctionsIntroduction to RelationsHard MathematicsIf (A) has (n) elements, which formula gives the number of relations that are both reflexive and symmetric on (A)?Class 12Relations and FunctionsIntroduction to RelationsHard MathematicsHow many relations on (A={1,2,3}) are both reflexive and symmetric?Class 12Relations and FunctionsIntroduction to RelationsHard MathematicsIf (A={1,2}), how many relations on (A) are both reflexive and symmetric?Class 12Relations and FunctionsIntroduction to RelationsMedium MathematicsIf (A) has (3) elements, what is the number of relations on (A) that are both reflexive and symmetric?Class 12Relations and FunctionsIntroduction to RelationsMedium