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Byju's Answer
Standard XII
Mathematics
Equation of Plane Containing Two Lines
Equation of t...
Question
Equation of the plane passing through the origin and perpendicular to the planes x+2y+z=1,3x-4y+
z = 5
is
A
x + 2y - 5z = 0
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B
x - 2y - 3z = 0
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C
x - 2y + 5z = 0
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D
3x + y - 5z = 0
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Solution
The correct option is
D
3x + y - 5z = 0
∣
∣ ∣
∣
x
y
z
1
2
1
3
−
4
1
∣
∣ ∣
∣
=
0
⇒
3
x
+
y
−
5
z
=
0
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0
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