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Linear Algebra Examples
Popular Problems
Linear Algebra
Find the Intersection of the Sets t=(-91,-15,64) , s=(251,30,-7)
t
=
(
−
91
,
−
15
,
64
)
t
=
(
-
91
,
-
15
,
64
)
,
s
=
(
251
,
30
,
−
7
)
s
=
(
251
,
30
,
-
7
)
Step 1
Set
up the
intersection
notation of
set
{
−
91
,
−
15
,
64
}
{
-
91
,
-
15
,
64
}
and
{
251
,
30
,
−
7
}
{
251
,
30
,
-
7
}
.
{
−
91
,
−
15
,
64
}
∩
{
251
,
30
,
−
7
}
{
-
91
,
-
15
,
64
}
∩
{
251
,
30
,
-
7
}
Step 2
The
intersection
of two
sets
is the
set
of
elements
which are in both
sets
. The
intersection
in this case is an
empty set
.
{
}
{
}
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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