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Vectors & Spaces
medium
0:00.0
If
v
⃗
=
(
2
,
1
,
−
1
)
\vec{v} = (2, 1, -1)
v
=
(
2
,
1
,
−
1
)
, compute
∣
v
⃗
∣
2
|\vec{v}|^2
∣
v
∣
2
.
A
6
6
6
B
4
4
4
C
6
\sqrt{6}
6
D
2
2
2
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