Suppose that u, v, and w are vector in 3-space such that u = 5 , u ⋅ v = 7 , and u ⋅ w = − 3. a u ⋅ u = _ _ _ _ _ _ _ b v ⋅ u = _ _ _ _ _ _ _ c u ⋅ v − w = _ _ _ _ _ _ _ d u ⋅ 2 w = _ _ _ _ _ _ _ _
Suppose that u, v, and w are vector in 3-space such that u = 5 , u ⋅ v = 7 , and u ⋅ w = − 3. a u ⋅ u = _ _ _ _ _ _ _ b v ⋅ u = _ _ _ _ _ _ _ c u ⋅ v − w = _ _ _ _ _ _ _ d u ⋅ 2 w = _ _ _ _ _ _ _ _
Suppose that u, v, and w are vector in 3-space such that
u
=
5
,
u
⋅
v
=
7
,
and
u
⋅
w
=
−
3.
a
u
⋅
u
=
_
_
_
_
_
_
_
b
v
⋅
u
=
_
_
_
_
_
_
_
c
u
⋅
v
−
w
=
_
_
_
_
_
_
_
d
u
⋅
2
w
=
_
_
_
_
_
_
_
_
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
Precalculus: Mathematics for Calculus - 6th Edition
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