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Mathematics
Mathematics
Problem
Find all values of
k
k
k
for which the points
(
1
,
2
)
(1,2)
(
1
,
2
)
,
(
4
,
k
)
(4,k)
(
4
,
k
)
and
(
7
,
10
)
(7,10)
(
7
,
10
)
are collinear.
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