Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If the tangent at the point P on the circle 
meets the straight line 
at a point Q on the y - axis, then the length of PQ is
A
4
B
C
5
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Let 
. The tangent at P is 
.....(i)
Co-ordinates of Q satisfy (i), 
So, 
and 
, 
. So, PQ =5.
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