im trying to find the intersection of 3 spheres in space but the problem is i need to use this math in a code which will have the x and y intercepts fixed but leave the z intercept a variable. for example:
(x+6)^2 + (y+3.464102)^2 + (z-j)^2 = 12^2
(x-6)^2 + (y+3.464102)^2 + (z-k)^2 = 12^2
x^2 + (y-6.928203)^2 + (z-l)^2 = 12^2
any help is appreciated. thanks