Question

please guys answer it​

Answer 1

Answer:

T n= (5/2)^n-3

T1 =(5/2)^-2

T2=(5/2)^-1

T3=1 and so on

the ratio tn/tn-1 is constant.therefore the series is in G.P

common ratio= 5/2

first term is (2/5)^2