in a hurry, please help

2. Consider a DTMC having state space S = N with one-step transition probabilities Poo = 1 - a, Po,1 = a, Pi,i-1 = B, and Pi,itl = 1 -B, ient. That is, its TPM looks like 0 H 2 0 1-a a 0 B 0 1 - B wow P = 0 B O 1 - B OOO 3 O O O 1 B . . . . . . Assume that 0