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JEE Main Math Class 11 Sets Part 1 Questions

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Question : 12

Total: 51

Consider the relations R1 and R2 defined as aR1b ⇔a2+b2=1 for all a,b,∈R and (a,b)R2(c,d) ⇔a+d=b+c for all (a,b),(c,d)∈N×N. Then

[1-Feb-2024 Shift 2]

Only R1 is an equivalence relation
Only R2 is an equivalence relation
R1 and R2 both are equivalence relations
Neither R1 nor R2 is an equivalence relation

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