An annuity of 1 is payable yearly to a person aged x as long as both she and another life aged y survive, and for n more years after the death ofjv (provided x is alive), except that no payments will be made after m years from the present time {m > n). Show that the present value of this annuity is

Transcribed Image Text:

ax:n + Dx+n. Dx ax+ny.m-n\*