F1g := 1/38416*(14*x^2*f[0]-14*x*f[0]-19*x*f[1]+7*f[1])*(14*x^2*f[0]-14*x*f[0]
-16*x*f[1]+7*f[1])*(1372*x^4*f[0]^2-2744*x^3*f[0]^2-3430*x^3*f[0]*f[1]+1372*x^
2*f[0]^2+4802*x^2*f[0]*f[1]+2146*x^2*f[1]^2-1372*x*f[0]*f[1]-1715*x*f[1]^2+343
*f[1]^2)/(x-1)^7/x^6;