Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Find the equation of the two lines through the origin which intersect the line 
= 
= 
at an angle of π /3.
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
= 
= 
, 
= 
= 
Sol. 
Any point on the given line is (2r + 3, r + 3, r)
Dr’s of new line are ≡ 2r + 3, r + 3, r
cos 
Solving above we get r = – 1, – 2
Dr’s are 1, 2, – 1 or – 1, 1, – 2
equation of the line is 
or 
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