Published by:
CGP EDU Academic Team
Published on: August 14, 2026
If the parabolas 
and 
have a common normal, then which one of the following is a valid choice for the ordered triad 
?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
For common normal; compare eq.(i) & eq.(ii)
Case(I) 
x -axis is common normal of both curve
All option are correct
. . .
Case (II) 
Only option , (1, 1, 3) satisfy it
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