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Byju's Answer
Standard X
Mathematics
Point Slope Form of a Straight Line
Find the line...
Question
Find the line passing through the point
(
2
,
3
)
and perpendicular to the straight line
4
x
−
3
y
=
10
?
Open in App
Solution
Let the equation of line be:
y
=
m
x
+
c
⟶
(
1
)
also the equation of straight line is given as:
4
x
−
3
y
=
10
⇒
y
=
4
3
x
−
10
3
w
h
e
r
e
,
m
′
=
4
3
since the line in equation
(
1
)
is perpendicular to the given straight line
∴
m
=
−
1
m
′
⇒
m
=
−
3
4
also the line passes through the point
(
2
,
3
)
hence from
(
1
)
3
=
(
−
3
4
)
.2
+
c
⇒
c
=
9
2
putting the value of m and c in equation
(
1
)
y
=
−
3
4
x
+
9
2
⇒
3
x
+
4
y
=
18
is the required equation
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