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Byju's Answer
Standard VI
Mathematics
Commutative Property
For any three...
Question
For any three sets
X
,
Y
&
Z
;
(
X
∪
Y
)
∪
Z
=
A
X
∪
(
Y
∪
Z
)
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B
X
∪
(
X
∪
Z
)
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C
Y
∪
(
Y
∪
Z
)
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Solution
The correct option is
A
X
∪
(
Y
∪
Z
)
We have three sets
X
,
Y
&
Z
.
We know from the associative law of union of sets:
(
X
∪
Y
)
∪
Z
=
X
∪
(
Y
∪
Z
)
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