Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The equation of the common tangent of the parabolas 
and 
, is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
⇒ ⇒ 
⇒ ⇒ 
∴ ∴ 
⇒ ⇒ 
and 
∴ ∴ 
⇒ ⇒ 
.
∴ ∴ Equation of common tangent
Aliter : Using direct formula of common tangent 
, where 
and 
. Hence the required tangent is 
.
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