Three Dimensional Geometry Question 171
Question: If line $ \frac{x-x_1}{l}=\frac{y-y_1}{m}=\frac{z-z_1}{n} $ is parallel to the plane $ ax+by+cz+d=0 $ , then
[MNR 1995: MP PET 1995]
Options:
A) $ \frac{a}{l}=\frac{b}{m}=\frac{c}{n} $
B) $ al+bm+cn=0 $
C) $ \frac{a}{l}+\frac{b}{m}+\frac{c}{n}=0 $
D) None of these
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Answer:
Correct Answer: B
Solution:
It is a fundamental concept.
BETA
