Three-Dimensional-Geometry Question 426
Question: If a line lies in the octant $ OXYZ $ and it makes equal angles with the axes, then
[MP PET 2001]
Options:
A) $ l=m=n=\frac{1}{\sqrt{3}} $
B) $ l=m=n=\pm \frac{1}{\sqrt{3}} $
C) $ l=m=n=-\frac{1}{\sqrt{3}} $
D) $ l=m=n=\pm \frac{1}{\sqrt{2}} $
Show Answer
Answer:
Correct Answer: B
Solution:
It is obvious.