QJEEAdv05Ma155c: JEE Advanced 2005 Mathematics - Class 12 JEEAdv05Ma155c Solution: A variable plane at a distance of the one unit from the origin…

Question

Verified Solution • 2025–26 Session moderate

A variable plane at a distance of the one unit from the origin cuts the coordinates axes at

A,

B

and

C.

If the centroid

D

(x, y, z)

of triangle

ABC

satisfies the relation

{1 \over {{x^2}}} + {1 \over {{y^2}}} + {1 \over {{z^2}}} = k,

then the value

k

is

Accepted Answer

Answer

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