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Mathematics
Mathematics
Problem
Show that the points
A
(
2
,
3
,
−
4
)
A(2, 3, -4)
A
(
2
,
3
,
−
4
)
,
B
(
1
,
−
2
,
3
)
B(1, -2, 3)
B
(
1
,
−
2
,
3
)
and
C
(
3
,
8
,
−
11
)
C(3, 8, -11)
C
(
3
,
8
,
−
11
)
are collinear.
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