Question

show that the sequence {an}={n²-1} is not an A.P​

Answer 1

Step-by-step explanation:

as a1=0 ,a2=5 , a3=8

d2-d1=5.

and d3-d2=3

as common difference are not equal .so,it is not an A.P

Answer 2

Step-by-step explanation:

CEREBRUM

hope this helps u....☺