Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If lines 
= 
= 
and 
= 
= 
lies in the same plane then for equation x 1 t 2 + (x 2 + 2) t + a = 0
Text Solution
Verified by ExpertsThe correct answer is:
B
Lines are coplanar if 
= 0
⇒ 2x 1 –x 2 = 2
Also sum of roots = 
= 
= –2.
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