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## Homework Statement

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.

Thank you.