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Mathematics
Mathematics
Problem
Find the value of
k
k
k
in order that the points
(
5
,
5
)
(5, 5)
(
5
,
5
)
,
(
k
,
1
)
(k, 1)
(
k
,
1
)
and
(
10
,
7
)
(10, 7)
(
10
,
7
)
are collinear.
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