Please help with attached question :

(Two decrement model). This model has 3 states (O(active), 1(dead), 2(retired)) and transition rates O(active) Hol Ho2 1(dead) 2(retired) (a) Write down the O matrix. (b) Let the transition probabilities be poo(?), por((), poz(f). Use the Kolmogorov's For- ward Equation and write down the equations for the transition probabilities. (c) Find solutions for the equations given in (b)