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Byju's Answer
Standard XII
Mathematics
Point Slope Form of a Line
The equation ...
Question
The equation of line that passes through
(
10
,
−
1
)
and is perpandicular to
y
=
x
4
−
2
is
A
4
x
+
y
=
39
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B
2
x
+
y
=
19
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C
x
+
y
=
9
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D
x
+
2
y
=
8
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Solution
The correct option is
C
4
x
+
y
=
39
Required line is perpendicular to the line having slope
=
1
4
So, slope of required line
=
−
4
Line passing through
(
10
,
−
1
)
=> Required line
=
y
−
(
−
1
)
=
−
4
(
x
−
10
)
=>
4
x
+
y
=
39
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0
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