(-3*t + Sqrt[3]*
   Sqrt[t^3*(Sqrt[t^(-2) + (4*(1 + 4*t)^(2/3))/
         (t^(5/3)*(-1 + 4*t)^(4/3))] + 
      Sqrt[2]*Sqrt[(t - (2*t^(4/3)*(1 + 4*t)^(2/3))/(-1 + 4*t)^(4/3) + 
          (1 + 8*t*(3 + 2*t))/((1 - 4*t)^2*Sqrt[t^(-2) + 
              (4*(1 + 4*t)^(2/3))/(t^(5/3)*(-1 + 4*t)^(4/3))]))/t^3])])/
 (6*t^2)
