Published by:
CGP EDU Academic Team
Published on: August 11, 2026
Two common tangents to the circle 
and parabola 
are
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Any tangent to parabola 
will be 
.
This tangent is also the tangent of circle 
Length of perpendicular = r
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
is acceptable, ∴ ∴ 
Hence, equation of common tangents are 
.
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