Three Dimensional Geometry Question 191
Question: Under what condition does a straight line $ \frac{x-x_0}{l}= $ $ \frac{y-y_0}{m}=\frac{z-z_0}{n} $ is parallel to the xy-plane
[AMU 2000]
Options:
A) $ l=0 $
B) $ m=0 $
C) $ n=0 $
D) $ l=0,m=0 $
Show Answer
Answer:
Correct Answer: C
Solution:
It is obvious.
BETA
