Question

Let the tangents at the points A(4, –11) and B(8, –5) on the circle $x^2+y^2-3x+10y-15=0$, intersect at the point C. Then the radius of the circle, whose centre is C and the line joining A and B is its tangent, is equal to

• A. √13
• B. 3√3/4
• C. 2√13/3
• D. 2√13

Answer 1

Answer: (C)

2√13/3

Answer 2

The correct answer is 2√13/3