Answer:
Step-by-step explanation:
t1 = 10
t(n) = 3t_(n - 1) - 1
t(2) = 3*t(2 -1) - 1
t(2) = 3*t1 - 1
t(2) = 3*10 - 1
t_2= 30 - 1
t_2 = 29
t3 = 3*t2 - 1
t3 = 3*29 - 1
t3 = 87 - 1
t3 = 86
t4 = 3*t3 - 1
t4 = 3*86 - 1
t4 = 258 -1
t4 = 257
