Equation Icon  1 1 1 1 1 G----= G---+ 12π𝜖2-, c1,ren = c1,B + 32-π236-ln𝜖 , ren B c2,ren = c2,B − -1---1-ln 𝜖, c3,ren = c3,B + -1---1-ln 𝜖. (115 ) 32π2 90 32π2 90