A sequence and is given by an = n×n – 1 , n Belongs to N. show that it is an A.P. Question A sequence and is given by an = n×n – 1 , n Belongs to N. show that it is an A.P. in progress 0 Math Madeline 1 month 2021-08-18T10:29:37+00:00 2021-08-18T10:29:37+00:00 1 Answer 0 views 0

## Answers ( )

Answer:Let n=1

a1=1×1-1=0

a2=2×2-1=3

a3=3×3-1=8

a2-a1=3-0=3

a3-a2=8-3=5

Common difference is not same.

Hence,it is not in AP