Let \rho _1 and \rho_ 2 be two equivalence relations defined on a non-void set S. Then

Correct Answer is : ρ1∩ρ2 is equivalence relation but ρ1∪ρ2 is not so.

both \rho _1\cap\rho_ 2 and \rho _1\cup\rho_ 2 are equivalence relations

\rho _1\cap\rho_ 2 is equivalence relation but \rho _1\cup\rho_ 2 is not so.

\rho _1\cup\rho_ 2 is equivalence relation but \rho _1\cap\rho_ 2 is not so

neither \rho _1\cap\rho_ 2 nor \rho _1\cup\rho_ 2 is equivalence relation.

WBJEE 2020 Math Solved Paper

Question : 59 of 75

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Let ρ1 and ρ2 be two equivalence relations defined on a non-void set S. Then

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