Answer:
R = {(a, b) : a b, a, b
R }
Reflexive
: As a
a
a
(a,
a)
a
R is
reflexive.
Symmetric
: As 1, 2
and 1
2
(1, 2)
But
is not
symmetric.
Transitive
: (a, b)
and (b, c)
a, b,c
and
R is
transitive.
Hence
R is reflexive and transitive but not
symmetric.
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