6. Suppose we have two successive values in a life table listed, lx and lx+1. Which of the following is necessarily true? O (a) Linear and exponential interpolation will lead to the same estimate of ec. (b) Exponential and harmonic interpolation will lead to the same estimate of ex: (c) Under linear interpolation, z:| () Under exponential interpolation, z:1 = Tz (Inklz+13=In((_)) l(lx)) lx tlx+1 2lx - = ex1] 6. Suppose we have two successive values in a life table listed, lx and lx+1. Which of the following is necessarily true? O (a) Linear and exponential interpolation will lead to the same estimate of ec. (b) Exponential and harmonic interpolation will lead to the same estimate of ex: (c) Under linear interpolation, z:| () Under exponential interpolation, z:1 = Tz (Inklz+13=In((_)) l(lx)) lx tlx+1 2lx - = ex1]