Let R1 be an antisymmetric relation and R2 is inverse of R1. Find the R1 U R2 ?

Answer: A. Symmetric Relation — Clearly if (a,b) is present in R1 so (b,a) will be present in R1-1 . Hence R1 U R2 will be Symmetric relation

1. A.

   Symmetric Relation

2. B.

   Antisymmetric relation

3. C.

   Asymmetric Relation

4. D.

   None of the above

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