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Byju's Answer
Standard XII
Mathematics
Equation of Perpendicular from a Point on a Line
What is the e...
Question
What is the equation of the plane through the point
(
1
,
4
,
−
2
)
and parallel to the plane
−
2
x
+
y
−
3
z
=
7
?
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Solution
Equation of the plane passing through the point
(
1
,
4
,
−
2
)
is
A
(
x
−
1
)
+
B
(
y
−
4
)
+
C
(
z
+
2
)
=
0
-----
(
1
)
Since the plane is parallel to the plane
−
2
x
+
y
−
3
z
=
7
So,
A
−
2
=
B
1
=
C
−
3
=
k
(K is any constant)
A
=
−
2
k
,
B
=
k
,
c
=
−
3
k
Putting the values of
A
,
B
,
C
in equation
(
1
)
−
2
k
(
x
−
1
)
+
k
(
y
−
4
)
−
3
k
(
z
+
2
)
=
0
−
2
(
x
−
1
)
+
y
−
4
−
3
(
z
+
2
)
=
0
−
2
x
+
2
+
y
−
4
−
3
z
−
6
=
0
2
x
−
y
+
3
z
+
8
=
0
This is the required equation of the plane .
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