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Mathematics
Mathematics
Problem
Determine whether the points
A
(
1
,
2
,
3
)
A(1,2,3)
A
(
1
,
2
,
3
)
,
B
(
4
,
5
,
6
)
B(4,5,6)
B
(
4
,
5
,
6
)
and
C
(
7
,
8
,
9
)
C(7,8,9)
C
(
7
,
8
,
9
)
are collinear. Give a brief justification.
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