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Relations XII
Question
If
R
⊂
A
×
B
and
S
⊂
B
×
C
be two relations, then
(
SoR
)
-
1
=
Easy
A
S
-
1
oR
-
1
B
R
-
1
oS
-
1
C
SoR
D
RoS
Solution
It is obvious.
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