[tex] \large\underline \bold{{SOLUTION}}[/tex]
We will convert the General Form to its Standard form.
[tex]\longmapsto\rm{x²+y²=6}[/tex]
[tex]\longmapsto\rm{(x-0)²+(y-0)²=\sqrt{6}}^2[/tex]
Now , We can see that the center is (0,0) and the radius is [tex]\sf{\sqrt{6}}[/tex]
[tex] \large\underline{ \bold{ANSWER}}[/tex]