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If OA and OB be the tangent to the circle x 2 +y 2 -6x-8y+21=0 drawn from the origin O the AB=

If OA and OB be the tangent to the circle x2+y2-6x-8y+21=0 drawn from the origin O the AB=

Grade:11

1 Answers

Arun
25757 Points
4 years ago
Dear student
 
Belreak pair of straight line in two lines and then find point of tangent.
 
Then find the distance between those two points.
 
You will.get answer as 4 sqrt(21)/5

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