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Mathematics
Mathematics
Problem
2. Show that the line through the points
(
1
,
−
1
,
2
)
,
(
3
,
4
,
−
2
)
(1,-1,2),(3,4,-2)
(
1
,
−
1
,
2
)
,
(
3
,
4
,
−
2
)
is perpendicular to the line through the points
(
0
,
3
,
2
)
(0,3,2)
(
0
,
3
,
2
)
and
(
3
,
5
,
6
)
(3,5,6)
(
3
,
5
,
6
)
.
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