Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Engineering Mathematics Set Theory & Algebra Relations
If a, b ∈ N and aRb if gcd (a, b) ≠ 1 then which of the following is true.
1
R is not Reflexive
2
R is an equivalence relation
3
R is not symmetric relation
4
R is Reflexive