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Mathematics
Mathematics
Problem
2. Show that the points
(
−
2
,
3
,
5
)
,
(
1
,
2
,
3
)
(-2,3,5),(1,2,3)
(
−
2
,
3
,
5
)
,
(
1
,
2
,
3
)
and
(
7
,
0
,
−
1
)
(7,0,-1)
(
7
,
0
,
−
1
)
are collinear.
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