Equation: x^2+y^2-6x-2y+8=0 Find the center and the radius.
(Help) : Find the equation of the tangent to the circle above that passes through the beginning of axis O (0,0)
The Attempt at a Solution
I found the center and radius and i believe the values are : C (3,1) and R =root(2) but can you explain me the second one
Sorry for my english.
I hope you'll understand it.