Three Dimensional Geometry Question 338
Question: If the given planes $ ax+by+cz+d=0 $ and $ a’x+b’y+c’z+d’=0 $ be mutually perpendicular, then
[MP PET 1994]
Options:
A) $ \frac{a}{a’}=\frac{b}{b’}=\frac{c}{c’} $
B) $ \frac{a}{a’}+\frac{b}{b’}+\frac{c}{c’}=0 $
C) $ aa,’+,bb,’+,cc,’+,dd,’=0 $
D) $ aa,’+,bb,’+,cc,’=0 $
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Answer:
Correct Answer: D
Solution:
It is a fundamental concept.
BETA
