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Byju's Answer
Standard VII
Mathematics
Cardinality of Sets
Use the given...
Question
Use the given Venn-diagram to find the number of elements in
A
∪
B
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Solution
Union of two sets has all the elements of both the sets. So, it will have all the elements listed inside the circles drawn for
A
and
B
.
Hence,
A
∪
B
=
{
1
,
5
,
6
,
7
,
9
}.
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