Question

If the equation of the circle whose radius is 5 and which touches the circle x^2+y^2−2x−4y−20 = 0 at the point (5, 5) is (x−h)^2+(y−k)^2 = 25, then the value of h^2+k^2 must be

Answer 1

Answer:

-2x+24ad+h3√4+(23a-2z÷43d)