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Mathematics
Mathematics
Problem
Find the value of
k
k
k
for which the points
(
k
,
−
3
)
(k,-3)
(
k
,
−
3
)
,
(
2
,
1
)
(2,1)
(
2
,
1
)
and
(
5
,
7
)
(5,7)
(
5
,
7
)
are collinear.
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