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Mathematics
Mathematics
Problem
For an incident ray
v
=
(
1
,
−
2
,
2
)
\mathbf{v}=(1,-2,2)
v
=
(
1
,
−
2
,
2
)
and a plane whose (non-unit) normal vector is
n
=
(
2
,
2
,
1
)
\mathbf{n}=(2,2,1)
n
=
(
2
,
2
,
1
)
, determine the reflected ray vector
v
r
\mathbf{v}_r
v
r
. a)
(
−
1
,
2
,
−
2
)
(-1,2,-2)
(
−
1
,
2
,
−
2
)
b)
(
1
,
−
2
,
−
2
)
(1,-2,-2)
(
1
,
−
2
,
−
2
)
c)
(
1
,
−
2
,
2
)
(1,-2,2)
(
1
,
−
2
,
2
)
d)
(
2
,
−
4
,
4
)
(2,-4,4)
(
2
,
−
4
,
4
)
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