Challenge 358:Confined Circle
The curve C has equation y2 - x2 = 8.
A circle has its centre on the line x = 2, and touches C at two distinct points but does not cross it.
What is the radius of the circle?
The curve C has equation y2 - x2 = 8.
A circle has its centre on the line x = 2, and touches C at two distinct points but does not cross it.
What is the radius of the circle?