Circle lie in the second quadrant with radius 2 and touching both coordinate axes. Another circle with centres \((2,6)\)…

Circle lie in the second quadrant with radius 2 and touching both coordinate axes. Another circle with centres \((2,6)\) exactly intersect the first circle at two points then range of it's radius is \((\mathrm{a}, \mathrm{b})\) then find \((\mathrm{a}+\mathrm{b})\).