KEAM 2018 Math Paper

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Question : 104 of 120

Marks: +1, -0

A plane is at a distance of 5 units from the origin; and perpendicular to the vector 2

⋀

i

+

⋀

j

+2

⋀

k

. The equation of the plane is

−
r
.(2
⋀
i
+
⋀
j
−2
⋀
k
)=15
−
r
.(2
⋀
i
+
⋀
j
−
⋀
k
)=15
−
r
.(2
⋀
i
+
⋀
j
+2
⋀
k
)=15
−
r
.(
⋀
i
+
⋀
j
+2
⋀
k
)=15
−
r
.(2
⋀
i
−
⋀
j
+2
⋀
k
)=15

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