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Class 12 Relations And Functions · Conceptual Answer1 Markstypes_of_relations

Class 12 Maths · Relations And Functions · Conceptual Answer #160

Which pair must be removed from {(1,1),(2,2),(3,3),(1,2)} on {1,2,3} to leave an equivalence relation?

✅ Step-by-Step Solution

Final Answer: Remove (1,2).
  1. Deleting the sole off-diagonal pair leaves the identity relation, which is an equivalence relation.
  2. Remove (1,2).

📋 CBSE Stepwise Marking Scheme

  • [0.5 marks] Deleting the sole off-diagonal pair leaves the identity relation, which is an equivalence relation.
  • [0.5 marks] Remove (1,2).

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