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Mathematics
Mathematics
Problem
16. Show that the points
A
(
1
,
2
,
7
)
,
B
(
2
,
6
,
3
)
\mathrm{A}(1,2,7), \mathrm{B}(2,6,3)
A
(
1
,
2
,
7
)
,
B
(
2
,
6
,
3
)
and
C
(
3
,
10
,
−
1
)
\mathrm{C}(3,10,-1)
C
(
3
,
10
,
−
1
)
are collinear.
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