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CBSE XII
>>
Math
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Relations and Functions
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Q)
Let X = {1,2,3,4,5,6,7,8,9}. Let
R
1
a
n
d
R
2
be relations in x given by
R
1
=
{
(
x
,
y
)
:
x
−
y
i
s
d
i
v
i
s
i
b
l
e
b
y
3
}
a
n
d
R
2
=
{
(
x
,
y
)
!
{
x
,
y
}
ε
{
1
,
4
,
7
}
o
r
{
x
,
y
}
ε
{
2
,
5
,
8
}
o
r
{
x
,
y
}
ε
{
3
,
6
,
9
}
}
.
S
h
o
w
t
h
a
t
R
1
=
R
2
.
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