Question
Write first five terms of the following sequence and obtain the corresponding series.
for all n>1
Solution
Here, 
Now, 
...(i) (for n>1)
Putting n = 2 in (i), we get 
Putting n = 3 in (i), we get 
Putting n =4 in (i), we get 
Putting n = 5 in (i), we get 
The corresponding series is : 3 + 11 + 35 + 107 + 323 + ..........
