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Byju's Answer
Standard XII
Mathematics
Equation of a Plane Parallel to a Given Plane
Equation of p...
Question
Equation of plane parallel to
3
x
+
4
y
+
5
z
−
6
=
0
,
6
x
+
8
y
+
10
z
−
16
=
0
and equidistant from them is
A
3
x
+
4
y
+
5
z
=
7
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B
3
x
+
4
y
+
5
z
=
10
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C
6
x
+
8
y
+
10
z
=
0
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D
6
x
+
8
y
+
10
z
=
3
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Solution
The correct option is
C
3
x
+
4
y
+
5
z
=
7
P
L
1
:
3
x
+
4
y
+
5
z
−
6
=
0
P
L
2
:
3
x
+
4
y
+
5
z
−
8
=
0
distance between
P
L
1
and
P
L
2
is
2
√
3
2
+
4
2
+
5
2
=
2
√
50
Equidistant plane will be between two plane
P
L
1
and
P
L
2
at a distance
1
√
50
from both plane.
∴
3
x
+
4
y
+
5
z
=
k
be the equation of plane.
k
−
6
√
50
=
1
√
50
⇒
k
=
7
∴
3
x
+
4
y
+
5
z
=
7
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0
Similar questions
Q.
Subtract
3
x
(
x
−
4
y
+
5
z
)
from
4
x
(
2
x
−
3
y
+
10
z
)
Q.
The sum of
(5x - 8y + 5z) and (-3x + 4y) is
Q.
lf the equations
2
x
−
k
y
+
5
z
=
7
and
k
x
−
8
y
−
10
z
+
14
=
0
represents the same plane then
k
2
−
k
+
1
=
Q.
The ratio in which line
3
x
+
4
y
=
2
divides the distance between
3
x
+
4
y
=
7
and
6
x
+
8
y
+
19
=
0
is:
Q.
Find the distance between the parallel lines
3
x
−
4
y
+
9
=
0
and
6
x
−
8
y
−
15
=
0
.
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