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1.Relation and Function
medium
Let $A =\{1,2,3,4,5,6,7\}$. Then the relation $R =$ $\{( x , y ) \in A \times A : x + y =7\}$ is
Atransitive but neither symmetric nor reflexive
Breflexive but neither symmetric nor transitive
Can equivalence relation
Dsymmetric but neither reflexive nor transitive
(JEE MAIN-2023)
Solution
$R =\{(1,6),(2,5),(3,4),(4,3),(5,2),(6,1)\}$
Standard 12
Mathematics