Published by:
CGP EDU Academic Team
Published on: August 12, 2026
If 
, 
, 
& 
are four distinct points on a circle of radius 4 units, then abcd is equal to:
Text Solution
Verified by ExpertsThe correct answer is:
C
Point 
lies on x 2 + y 2 = 16 ⇒ t 2 + 
=16 ⇒ t 4 –16t 2 + 1 = 0 ........(i)
If roots are t 1 , t 2 , t 3 , t 4 then
t 1 t 2 t 3 t 4 = 1 .........(ii)
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Column – I Column – II
[16JM110516]
From the point A (0 , 3) on the circle x² + 4x + (y − 3)² = 0 a chord AB is drawn & extended to a p…
If tangent at (1, 2) to the circle intersects the circle at and tangents at A & B to the second …
A circle passes through point touches the line pair . Centre of circle lies inside the circle Co…
The length of the tangents from any point on the circle to the two circles and are in the ratio
The distance between the chords of contact of tangents to the circle; x² + y² + 2gx + 2fy + c = 0 f…