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Mathematics
Problem
The line joining the points
(
4
,
−
1
)
(4,-1)
(
4
,
−
1
)
and
(
10
,
2
)
(10,2)
(
10
,
2
)
is compared with the line
2
y
+
3
x
−
9
=
0
2y+3x-9=0
2
y
+
3
x
−
9
=
0
. Are these two lines perpendicular? Show your calculation and give the conclusion.
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