WBJEE 2017 Math Solved Paper

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Question : 72 of 75

Marks: +1, -0

On R , the set of real numbers, a relation ρ is defined as ‘aρb’ if and only if 1 + ab > 0’. Then

ρ is an equivalence relation
ρ is refelxive and transitive but not symmetric
ρ is reflexive and symmetric but not transitive
ρ is only symmetric

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