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The chord of contact of the tangents drawn from a point to the circle x^2+y^2-4Y =0 is

The chord of contact of the tangents drawn from a point to the circle x^2+y^2-4Y =0 is 

Grade:12

1 Answers

Arun
25763 Points
3 years ago
Dear student
 
chord of contact is T = 0
 
hence
 
x * x1 + y* y1 – 2(y + y1) = 0
 
hope it helps
 
Regards
Arun

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