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Examples
Step-by-Step Examples
Number Sets
Find the Union
A
=
(
1
,
2
,
3
)
A
=
(
1
,
2
,
3
)
,
B
=
(
3
,
4
,
5
)
B
=
(
3
,
4
,
5
)
Step 1
Set
up the
union
notation of
set
{
1
,
2
,
3
}
{
1
,
2
,
3
}
and
{
3
,
4
,
5
}
{
3
,
4
,
5
}
.
{
1
,
2
,
3
}
∪
{
3
,
4
,
5
}
{
1
,
2
,
3
}
∪
{
3
,
4
,
5
}
Step 2
The
union
of two
sets
is the
set
of
elements
which are in either
sets
.
{
1
,
2
,
3
,
4
,
5
}
{
1
,
2
,
3
,
4
,
5
}
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⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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