Question

consider f:R to R difined by R={(1,2),(2,1),(1,1)} check whether R is symmetric or transitive
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Answer 1

Step-by-step explanation:

R is both symmetric and transitive

for symmetric relation, (a,b) ¢R => (b,a) € R

for transitive relation (a,b) € R, (b,c) € R => (implies) that (a,c) € R