Question

In an A.P Tn=3n-1, find the common difference.

Answer 1

3n-1
putting n=1
3×1-1=2
putting n=2
3×2-1=5
putting n=3
3×3-1=8
now 2;5;8 are sequence of AP. and common difference is 3

Answer 2

Answer:

The answer will be of question