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Mathematics
Mathematics
Problem
If
k
k
k
is such that the segment joining the points
(
k
,
2
k
)
(k,2k)
(
k
,
2
k
)
and
(
3
k
+
1
,
7
)
(3k+1,7)
(
3
k
+
1
,
7
)
is perpendicular to the line
5
x
+
4
y
−
3
=
0
5x+4y-3=0
5
x
+
4
y
−
3
=
0
, then
k
k
k
equals: a)
31
16
\dfrac{31}{16}
16
31
b)
18
31
\dfrac{18}{31}
31
18
c)
31
18
\dfrac{31}{18}
18
31
d)
23
18
\dfrac{23}{18}
18
23
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