Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The distance between the chords of contact of tangents to the circle; x² + y² + 2gx + 2fy + c = 0 from the origin & the point (g , f) is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Equation of chords of contact from (0, 0) & (g, f)
gx + fy + c = 0 ⇒ gx + fy + g(x + g) + f(y + f) + c = 0 ⇒ gx + fy + 
= 0
Distance between these parallel lines = 
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