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Mathematics
Mathematics
Problem
Points
A
(
1
,
−
2
,
3
)
A(1,-2,3)
A
(
1
,
−
2
,
3
)
,
B
(
4
,
1
,
6
)
B(4,1,6)
B
(
4
,
1
,
6
)
and
C
(
k
,
4
,
9
)
C(k,4,9)
C
(
k
,
4
,
9
)
are collinear. Find the value of
k
k
k
. a)
9
9
9
b)
7
7
7
c)
4
4
4
d)
10
10
10
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