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Mathematics
Mathematics
Problem
Let a relation
R
R
R
be defined by
R
=
{
(
4
,
5
)
;
(
1
,
4
)
;
(
4
,
6
)
;
(
7
,
6
)
;
(
3
,
7
)
}
R = \{(4, 5); (1, 4); (4, 6); (7, 6); (3, 7)\}
R
=
{(
4
,
5
)
;
(
1
,
4
)
;
(
4
,
6
)
;
(
7
,
6
)
;
(
3
,
7
)}
then
R
−
1
∘
R
R^{-1} \circ R
R
−
1
∘
R
is ____________.
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