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Mathematics
Problem
Find the value of
k
k
k
for which the points
(
k
,
4
)
,
(
2
,
5
)
,
(
4
,
9
)
(k,4),\,(2,5),\,(4,9)
(
k
,
4
)
,
(
2
,
5
)
,
(
4
,
9
)
are collinear. a)
5
2
\dfrac52
2
5
b)
3
2
\dfrac32
2
3
c)
4
4
4
d)
7
2
\dfrac72
2
7
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