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BECE Mathematics 2019 Paper
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© africaexams.com
Question : 1
Total: 40
Given that
A
=
{
2
,
4
,
6
,
8
,
10
}
and
B
=
{
4
,
8
,
12
}
, find
A
∪
B
.
{
4
,
8
}
{
2
,
8
,
12
}
{
4
,
6
,
8
,
12
}
{
2
,
4
,
6
,
8
,
10
,
12
}
Validate
Solution:
The union of two sets is a set containing all elements that are in both sets. If an element occurs more than once in both sets, its written only once.
Hence
A
∪
B
=
{
2
,
4
,
6
,
8
,
10
,
12
}
© africaexams.com
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