CUET Preparation Today
Which of the following is not an equivalence relation on Z ? |
a R b ⇔ a + b is an even integer a R b ⇔ a – b is an even integer a R b ⇔ a ≤ b a R b ⇔ a = b |
a R b ⇔ a ≤ b |
Option C a R b ⇔ a ≤ b for a, a (a < a) → false relation is not reflexive ⇒ it is not equivalence relation |
