2011-01-26, 01:22 AM
Let k = R/r
volume of the spheres should be (8pi/3)(s* sqrt(3)/(2+2k))^3 + 4pi/3(k*s* sqrt(3)/(2+2k))^3
so if you were to sub in 1 for s: (8pi/3)(sqrt(3)/(2+2k))^3 + 4pi/3(k sqrt(3)/(2+2k))^3
volume of the spheres should be (8pi/3)(s* sqrt(3)/(2+2k))^3 + 4pi/3(k*s* sqrt(3)/(2+2k))^3
so if you were to sub in 1 for s: (8pi/3)(sqrt(3)/(2+2k))^3 + 4pi/3(k sqrt(3)/(2+2k))^3

