Published by:
CGP EDU Academic Team
Published on: August 11, 2026
If 
+ 
= 0, then lines 
+ 
= 1 and 
+ 
= 1 are
Text Solution
Verified by ExpertsThe correct answer is:
C
a 1 a 2 + b 1 b 2 = 
+ 
= 0
Therefore, the lines are perpendicular.
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