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Mathematics
Mathematics
Problem
Find the value of
k
k
k
for which the line
2
x
+
k
y
−
3
=
0
2x+k y-3=0
2
x
+
k
y
−
3
=
0
is perpendicular to the line passing through the points
(
1
,
2
)
(1,2)
(
1
,
2
)
and
(
4
,
−
2
)
(4,-2)
(
4
,
−
2
)
.
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