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NDA Math Coordinate System and Straight Line
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© examsnet.com
Question : 77
Total: 92
Two straight lines passing through the point
A
(
3
,
2
)
cut the line
2
y
=
x
+
3
and x-axis perpendicular at P and Q respectively.The equation of the line PQ is
[NDA II 2015]
7
x
+
y
−
21
=
0
x
+
7
y
+
21
=
0
2
x
+
y
−
8
=
0
x
+
2
y
+
8
=
0
Validate
Solution:
∵ Coordinates of Q are (3,0) & it passes through PQ.
∴Putting the values of
(
x
=
3
)
&
(
y
=
0
)
in options we get:
Equation of line
PQ
=
7
x
+
y
−
21
=
0
© examsnet.com
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