Three Dimensional Geometry Question 211

Question: The distance of the point (2, 3, ? 5) from the plane $ x+2y-2z=9 $ is

[MP PET 2001]

Options:

A) 4

B) 3

C) 2

D) 1

Show Answer

Answer:

Correct Answer: B

Solution:

$ D=| \frac{2+6+10-9}{\sqrt{1+4+4}} |,=3 $ .