Three Dimensional Geometry Question 259
Question: The value of k for which the planes $ 3x-6y-2z=7 $ and $ 2x+y-kz=5 $ are perpendicular to each other, is
[MP PET 1992]
Options:
A) 0
B) 1
C) 2
D) 3
Show Answer
Answer:
Correct Answer: A
Solution:
Planes are perpendicular, if $ 6-6+2k=0\Rightarrow k=0 $ .
BETA
