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Mathematics
Mathematics
Problem
Show that the points
A
(
2
,
0
,
−
3
)
A(2, 0, -3)
A
(
2
,
0
,
−
3
)
,
B
(
3
,
2
,
−
1
)
B(3, 2, -1)
B
(
3
,
2
,
−
1
)
&
C
(
1
,
−
2
,
−
5
)
C(1, -2, -5)
C
(
1
,
−
2
,
−
5
)
are collinear.
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