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Byju's Answer
Standard XII
Mathematics
Intersection
Using propert...
Question
Using properties of sets, show that
(
i
)
A
∪
(
A
∩
B
)
=
A
(
i
i
)
A
∩
(
A
∪
B
)
=
A
Open in App
Solution
(
i
)
A
∪
(
A
∩
B
)
=
A
l
e
t
B
i
s
a
s
u
b
s
e
t
o
f
A
(
B
⊂
A
)
∴
A
∩
B
=
B
[
c
o
m
m
o
n
e
l
e
m
e
n
t
s
o
f
A
&
B
]
N
o
w
,
A
∪
(
A
∩
B
)
=
A
∪
B
=
A
[
A
l
l
E
l
e
m
e
n
t
s
b
e
l
o
n
g
s
t
o
A
&
B
]
(
i
i
)
A
∩
(
A
∪
B
)
=
A
l
e
t
A
⊂
B
(
A
i
s
a
s
u
b
s
e
t
o
f
A
)
∴
A
∪
B
=
B
[
A
l
l
E
l
e
m
e
n
t
s
b
e
l
o
n
g
s
t
o
A
&
B
]
A
∩
(
A
∪
B
)
=
A
∩
B
=
A
[
c
o
m
m
o
n
e
l
e
m
e
n
t
s
o
f
A
&
B
]
Suggest Corrections
0
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Q.
Using properties of sets show that (i) A ∪ (A ∩ B) = A (ii) A ∩ (A ∪ B) = A.
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)
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