Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The equation of the pair of straight lines parallel to x -axis and touching the circle 
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Let the lines are 
and 
since pair of straight lines parallel to x -axis, ∴ ∴ 
and the lines will be 
and 
Given circle is 
, centre (3, 2) and radius = 5.
Here, the perpendicular drawn from centre to the lines are CP and 
.
⇒ ⇒ 
and 
Hence the lines are
i.e. , 
∴ ∴ Pair of straight lines is 
.
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