3D Geometry 3 Question 48
48. A variable plane at a unit distance from origin cuts the coordinate axes at and . Centroid satisfies the equation . The value of is
(2005, 2M)
(a) 9
(b) 3
(c)
(d)
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Answer:
Correct Answer: 48. (d)
Solution:
- Since,
cuts the coordinate axes at .
And its distance from origin
where,
From Eqs. (i) and (ii),